/* KISS Application Styles - Complete Frontend Implementation */

/* CSS Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Primary Color Palette - Green Theme from Mockups */
    --primary-color: #4CAF50;
    --primary-light: #81C784;
    --primary-dark: #388E3C;
    
    /* Secondary Colors */
    --secondary-color: #FFC107;
    --accent-color: #FF5722;
    
    /* Neutral Colors */
    --background-color: #FAFAFA;
    --surface-color: #FFFFFF;
    --surface-light: #F5F5F5;
    
    /* Text Colors */
    --text-primary: #212121;
    --text-secondary: #757575;
    --text-disabled: #BDBDBD;
    
    /* Status Colors */
    --success-color: #4CAF50;
    --warning-color: #FF9800;
    --error-color: #F44336;
    --info-color: #2196F3;
    
    /* Chart Colors (matching mockups) */
    --chart-orange: #FF9800;
    --chart-green: #4CAF50;
    --chart-blue: #2196F3;
    --chart-purple: #9C27B0;
    
    /* Layout */
    --sidebar-width: 240px;
    --header-height: 64px;
    --border-radius: 8px;
    --border-radius-small: 4px;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-md: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-xxl: 24px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Base Styles */
body {
    font-family: var(--font-family);
    font-size: var(--font-size-md);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-color);
    overflow-x: hidden;
}

/* ============================================
   AUTHENTICATION MODAL - MOBILE FIRST DESIGN
   ============================================ */

/* Modal Container */
.auth-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--background-color);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    overflow-y: auto;
}

.auth-container {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Mobile Layout (Default) */
.auth-content.mobile-layout {
    display: block;
    width: 100%;
    max-width: 400px;
    padding: var(--spacing-lg) var(--spacing-lg);
    background: var(--surface-color);
    min-height: 100vh;
    overflow-y: auto;
    box-sizing: border-box;
}

.auth-content.tablet-layout {
    display: none;
}

/* HHIQ Logo and Branding */
.hhiq-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-sm) 0;
    flex-shrink: 0;
}

.hhiq-logo .logo-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
}

.hhiq-logo .logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 1px;
    white-space: nowrap;
}

.hhiq-logo.large .logo-icon {
    width: 80px;
    height: 80px;
}

.hhiq-logo.large .logo-text {
    font-size: 28px;
}

/* Form Styles */
.auth-form {
    width: 100%;
}

.credentials-form {
    width: 100%;
}

.form-group {
    margin-bottom: var(--spacing-lg);
    text-align: left;
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.form-input {
    width: 100%;
    padding: 16px;
    border: 2px solid #E0E0E0;
    border-radius: var(--border-radius);
    font-size: var(--font-size-md);
    background: var(--surface-color);
    color: var(--text-primary);
    transition: var(--transition-normal);
    box-sizing: border-box;
    -webkit-appearance: none;
    appearance: none;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
}

.form-input::placeholder {
    color: var(--text-disabled);
}

/* Password Requirements */
.password-requirements {
    margin-top: var(--spacing-xs);
}

.password-requirements small {
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
}

/* Login Button */
.login-btn {
    width: 100%;
    padding: 16px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: var(--font-size-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    margin-bottom: var(--spacing-md);
}

.login-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.login-btn:active {
    transform: translateY(0);
}

/* Form Links */
.form-links {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.link {
    color: var(--primary-color);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: var(--transition-fast);
}

.link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Auth Divider */
.auth-divider {
    display: flex;
    align-items: center;
    margin: var(--spacing-lg) 0;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: #E0E0E0;
}

.auth-divider span {
    padding: 0 var(--spacing-md);
}

/* Google Sign-in Button */
.google-signin-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    width: 100%;
    padding: 16px;
    background: var(--surface-color);
    border: 2px solid #E0E0E0;
    border-radius: var(--border-radius);
    font-size: var(--font-size-md);
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-normal);
    margin-bottom: var(--spacing-lg);
}

.google-signin-btn:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

/* Sign up/Sign in Links */
.signup-link,
.signin-link {
    text-align: center;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.signup-link span,
.signin-link span {
    margin-right: var(--spacing-xs);
}

/* ============================================
   TABLET BREAKPOINT (768px and up)
   ============================================ */
@media (min-width: 768px) {
    .auth-modal {
        background: var(--background-color);
        padding: var(--spacing-lg);
    }
    
    .auth-container {
        max-width: 1200px;
        width: 100%;
        height: auto;
        min-height: auto;
    }
    
    .auth-content.mobile-layout {
        display: none;
    }
    
    .auth-content.tablet-layout {
        display: flex;
        background: var(--surface-color);
        border-radius: var(--border-radius);
        box-shadow: var(--shadow-lg);
        overflow: hidden;
        min-height: 600px;
        width: 100%;
    }
    
    /* Left Side - Branding */
    .auth-left {
        flex: 1;
        background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
        color: white;
        padding: var(--spacing-xl);
        display: flex;
        flex-direction: column;
        justify-content: center;
        position: relative;
    }
    
    .brand-section {
        text-align: center;
        z-index: 2;
    }
    
    .brand-title {
        font-size: 32px;
        font-weight: 700;
        margin: var(--spacing-lg) 0 var(--spacing-md);
        color: white;
    }
    
    .brand-tagline {
        font-size: var(--font-size-lg);
        color: rgba(255, 255, 255, 0.9);
        margin-bottom: var(--spacing-xl);
    }
    
    /* Kitchen Illustration */
    .brand-illustration {
        margin-top: var(--spacing-xl);
    }
    
    .kitchen-scene {
        position: relative;
        width: 300px;
        height: 200px;
        margin: 0 auto;
        background: rgba(255, 255, 255, 0.1);
        border-radius: var(--border-radius);
        backdrop-filter: blur(10px);
    }
    
    .appliance {
        position: absolute;
        border-radius: 4px;
    }
    
    .appliance.fridge {
        width: 40px;
        height: 80px;
        background: #E0E0E0;
        left: 20px;
        top: 60px;
    }
    
    .appliance.microwave {
        width: 50px;
        height: 30px;
        background: #424242;
        right: 20px;
        top: 40px;
    }
    
    .counter {
        position: absolute;
        bottom: 40px;
        left: 80px;
        right: 80px;
        height: 60px;
        background: #8D6E63;
        border-radius: 4px;
    }
    
    .cabinet {
        position: absolute;
        top: 20px;
        left: 80px;
        right: 80px;
        height: 40px;
        background: #795548;
        border-radius: 4px;
    }
    
    .plant {
        position: absolute;
        right: 40px;
        bottom: 100px;
        width: 20px;
        height: 30px;
        background: var(--primary-color);
        border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
    }
    
    /* Right Side - Login Form */
    .auth-right {
        flex: 1;
        padding: var(--spacing-xl);
        display: flex;
        flex-direction: column;
        justify-content: center;
        max-width: 400px;
    }
    
    .welcome-section {
        text-align: center;
        margin-bottom: var(--spacing-xl);
    }
    
    .welcome-title {
        font-size: 28px;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: var(--spacing-sm);
    }
    
    .welcome-subtitle {
        color: var(--text-secondary);
        font-size: var(--font-size-md);
    }
}

/* ============================================
   DESKTOP BREAKPOINT (1024px and up)
   ============================================ */
@media (min-width: 1024px) {
    .auth-container {
        max-width: 1000px;
    }
    
    .auth-left {
        padding: 60px;
    }
    
    .auth-right {
        padding: 60px;
    }
    
    .brand-title {
        font-size: 36px;
    }
    
    .welcome-title {
        font-size: 32px;
    }
    
    .kitchen-scene {
        width: 350px;
        height: 220px;
    }
}

/* ============================================
   TOUCH INTERFACE OPTIMIZATIONS
   ============================================ */
@media (hover: none) and (pointer: coarse) {
    .form-input {
        padding: 18px;
        font-size: 16px; /* Prevent zoom on iOS */
    }
    
    .login-btn,
    .google-signin-btn {
        padding: 18px;
        font-size: 16px;
    }
    
    .link {
        padding: var(--spacing-sm);
        margin: -var(--spacing-sm);
    }
}

/* ============================================
   ACCESSIBILITY ENHANCEMENTS
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    .login-btn,
    .google-signin-btn,
    .form-input,
    .link {
        transition: none;
    }
    
    .login-btn:hover {
        transform: none;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .form-input {
        border-width: 3px;
    }
    
    .form-input:focus {
        border-color: var(--primary-color);
        box-shadow: 0 0 0 3px var(--primary-color);
    }
}

/* ============================================
   SMALL MOBILE BREAKPOINT (480px and below)
   ============================================ */
@media (max-width: 480px) {
    .auth-content.mobile-layout {
        padding: var(--spacing-md) var(--spacing-sm);
        min-height: 100vh;
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
    }
    
    .auth-header {
        flex-shrink: 0;
        padding-top: var(--spacing-md);
    }
    
    .hhiq-logo {
        margin-bottom: var(--spacing-md);
    }
    
    .hhiq-logo .logo-icon {
        width: 40px;
        height: 40px;
    }
    
    .hhiq-logo .logo-text {
        font-size: var(--font-size-lg);
    }
    
    .form-input {
        padding: 14px;
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    .login-btn,
    .google-signin-btn {
        padding: 14px;
        font-size: 16px; /* Prevents zoom on iOS */
    }
}

/* ============================================
   VERY SMALL SCREENS (360px and below)
   ============================================ */
@media (max-width: 360px) {
    .auth-content.mobile-layout {
        padding: var(--spacing-sm);
    }
    
    .hhiq-logo {
        gap: var(--spacing-sm);
        margin-bottom: var(--spacing-sm);
    }
    
    .hhiq-logo .logo-icon {
        width: 36px;
        height: 36px;
    }
    
    .hhiq-logo .logo-text {
        font-size: var(--font-size-md);
        letter-spacing: 0.5px;
    }
    
    .form-group {
        margin-bottom: var(--spacing-md);
    }
    
    .auth-divider {
        margin: var(--spacing-md) 0;
    }
}

/* Main Application Layout */
.app-container {
    display: flex;
    height: 100vh;
    width: 100%;
}

/* Sidebar Navigation */
.sidebar {
    width: var(--sidebar-width);
    background: var(--surface-color);
    border-right: 1px solid var(--surface-light);
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal);
}

.sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--surface-light);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.logo-text {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--primary-color);
}

.nav-menu {
    list-style: none;
    padding: var(--spacing-md) 0;
    flex: 1;
}

.nav-item {
    margin-bottom: var(--spacing-xs);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    background-color: var(--surface-light);
    color: var(--text-primary);
}

.nav-item.active .nav-link {
    background-color: rgba(76, 175, 80, 0.1);
    color: var(--primary-color);
    border-right: 3px solid var(--primary-color);
}

.nav-icon {
    font-size: var(--font-size-lg);
    width: 24px;
    text-align: center;
}

/* Main Content Area */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    height: 100vh;
}

/* Header */
.app-header {
    height: var(--header-height);
    background: var(--surface-color);
    border-bottom: 1px solid var(--surface-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 999;
}

.header-left {
    flex: 1;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    margin: 4px 0;
    transition: var(--transition-fast);
}

.header-center {
    flex: 2;
    display: flex;
    justify-content: center;
}

.search-container {
    display: flex;
    align-items: center;
    background: var(--surface-light);
    border-radius: 24px;
    padding: var(--spacing-sm) var(--spacing-md);
    width: 100%;
    max-width: 400px;
}

.search-input {
    border: none;
    background: none;
    flex: 1;
    font-size: var(--font-size-md);
    color: var(--text-primary);
    outline: none;
}

.search-input::placeholder {
    color: var(--text-disabled);
}

.search-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: var(--font-size-md);
    color: var(--text-secondary);
}

.header-right {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-md);
}

.settings-btn {
    background: none;
    border: 1px solid var(--text-disabled);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.settings-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.user-name {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.logout-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    padding: var(--spacing-sm);
}

.logout-btn:hover {
    color: var(--error-color);
}

/* Page Content */
.page-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

.page {
    display: none;
}

.page.active {
    display: block;
}

/* Dashboard Grid Layout (matching mockup) */
.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    grid-template-rows: auto auto;
    gap: var(--spacing-lg);
    max-width: 1400px;
    margin: 0 auto;
}

.inventory-overview {
    grid-column: 1;
    grid-row: 1;
}

.quick-actions {
    grid-column: 2;
    grid-row: 1;
}

.expiring-soon {
    grid-column: 1;
    grid-row: 2;
}

.recipe-suggestions {
    grid-column: 2;
    grid-row: 2;
}

/* Dashboard Sections */
.dashboard-section {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.section-header {
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.section-header p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* Inventory Overview - Charts */
.overview-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.chart-container {
    display: flex;
    gap: var(--spacing-lg);
}

.chart-section {
    flex: 1;
}

.chart-section h3 {
    font-size: var(--font-size-md);
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.stock-chart-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.stock-legend {
    display: flex;
    gap: var(--spacing-md);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.legend-color.in-stock {
    background-color: var(--success-color);
}

.legend-color.low-stock {
    background-color: var(--warning-color);
}

.legend-label {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

/* Quick Actions - Mobile-First 2x2 Grid Layout */
.actions-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    min-height: 120px;
    border: none;
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
    text-align: center;
    width: 100%;
}

/* Scan Barcode - Green (Primary Action) */
.action-btn.primary,
.action-btn[data-action="scan"] {
    background-color: var(--primary-color);
    color: white;
}

.action-btn.primary:hover,
.action-btn[data-action="scan"]:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Browse Recipes - Orange */
.action-btn[data-action="recipes"] {
    background-color: #FF9800;
    color: white;
}

.action-btn[data-action="recipes"]:hover {
    background-color: #F57C00;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* View Inventory - Blue */  
.action-btn[data-action="inventory"] {
    background-color: #2196F3;
    color: white;
}

.action-btn[data-action="inventory"]:hover {
    background-color: #1976D2;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Expiring Soon - Red with badge support */
.action-btn[data-action="expiring"] {
    background-color: #F44336;
    color: white;
    position: relative;
}

.action-btn[data-action="expiring"]:hover {
    background-color: #D32F2F;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Badge for expiring items count */
.action-btn .badge {
    position: absolute;
    top: 8px;
    right: 8px;
    background-color: #FF5722;
    color: white;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    font-size: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
}

/* Fallback for secondary buttons */
.action-btn.secondary {
    background-color: var(--surface-light);
    color: var(--text-primary);
    border: 1px solid var(--text-disabled);
}

.action-btn.secondary:hover {
    background-color: var(--surface-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.action-icon {
    font-size: 32px;
    margin-bottom: var(--spacing-xs);
}

.action-text {
    font-weight: 500;
}

/* Tablet and Desktop Responsive Actions Grid */
@media (min-width: 768px) {
    .actions-grid {
        grid-template-columns: repeat(4, 1fr);
        grid-template-rows: 1fr;
        gap: var(--spacing-lg);
    }
    
    .action-btn {
        min-height: 140px;
        padding: var(--spacing-xl);
    }
    
    .action-icon {
        font-size: 40px;
    }
    
    .action-text {
        font-size: var(--font-size-md);
    }
}

/* Expiring Soon List */
.expiring-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.expiring-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--surface-light);
    border-radius: var(--border-radius-small);
}

.expiring-item.urgent {
    background-color: rgba(244, 67, 54, 0.1);
    border-left: 3px solid var(--error-color);
}

.item-name {
    font-weight: 500;
    color: var(--text-primary);
}

.item-date {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.item-date.urgent {
    color: var(--error-color);
    font-weight: 500;
}

/* Recipe Cards */
.recipe-cards {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.recipe-card {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--surface-light);
    border-radius: var(--border-radius);
    transition: var(--transition-fast);
    cursor: pointer;
}

.recipe-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.recipe-image {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius-small);
    object-fit: cover;
    background-color: var(--text-disabled);
}

.recipe-content {
    flex: 1;
}

.recipe-title {
    font-size: var(--font-size-md);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.recipe-description {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.4;
}

/* View All Button */
.view-all-btn {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: none;
    border: 1px solid var(--primary-color);
    border-radius: var(--border-radius);
    color: var(--primary-color);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.view-all-btn:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Page Headers */
.page-header {
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.page-header p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Scanner Page */
.scanner-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.scanner-viewport {
    position: relative;
    width: 100%;
    height: 400px;
    background: var(--surface-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

#camera-preview {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.scanner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.scanner-frame {
    width: 300px;
    height: 200px;
    position: relative;
    border: 2px dashed var(--primary-color);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
}

.scanner-corners {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
}

.corner {
    position: absolute;
    width: 20px;
    height: 20px;
    border: 3px solid var(--primary-color);
}

.corner.top-left {
    top: 0;
    left: 0;
    border-bottom: none;
    border-right: none;
}

.corner.top-right {
    top: 0;
    right: 0;
    border-bottom: none;
    border-left: none;
}

.corner.bottom-left {
    bottom: 0;
    left: 0;
    border-top: none;
    border-right: none;
}

.corner.bottom-right {
    bottom: 0;
    right: 0;
    border-top: none;
    border-left: none;
}

.scanner-guide {
    background: rgba(76, 175, 80, 0.9);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.scanner-status {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
}

.scanner-controls {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

/* Item Entry Form */
.item-entry-form {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    display: none; /* Initially hidden until product is confirmed */
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group select {
    padding: var(--spacing-md);
    border: 1px solid var(--text-disabled);
    border-radius: var(--border-radius);
    font-size: var(--font-size-md);
    color: var(--text-primary);
    background: var(--surface-color);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.2);
}

/* Recipes Page */
.filters-container {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.filter-group label {
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
}

.filter-group select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--text-disabled);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    background: var(--surface-color);
    min-width: 120px;
}

.recipe-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.recipe-card-full {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    cursor: pointer;
}

.recipe-card-full:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.recipe-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background-color: var(--surface-light);
}

.recipe-card-content {
    padding: var(--spacing-md);
}

.recipe-card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.recipe-card-description {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
}

.recipe-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.recipe-ingredients,
.recipe-time,
.recipe-rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

.recipe-card-btn {
    width: 100%;
    padding: var(--spacing-sm);
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.recipe-card-btn:hover {
    background-color: var(--primary-dark);
}

/* Expiring Items Page */
.expiring-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.stat-card {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--success-color);
}

.stat-card.warning {
    border-left-color: var(--warning-color);
}

.stat-card.expired {
    border-left-color: var(--error-color);
}

.stat-number {
    font-size: 3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.expiring-controls {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
}

.filter-controls {
    display: flex;
    gap: var(--spacing-md);
}

.expiring-table-container {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.expiring-table {
    width: 100%;
    border-collapse: collapse;
}

.expiring-table th {
    background-color: var(--surface-light);
    color: var(--text-primary);
    font-weight: 600;
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--text-disabled);
}

.expiring-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--surface-light);
    color: var(--text-primary);
}

.expiring-table tr:hover {
    background-color: var(--surface-light);
}

.table-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.table-action-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: none;
    border-radius: var(--border-radius-small);
    font-size: var(--font-size-xs);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-used {
    background-color: var(--success-color);
    color: white;
}

.btn-used:hover {
    background-color: var(--primary-dark);
}

.btn-discard {
    background-color: var(--error-color);
    color: white;
}

.btn-discard:hover {
    background-color: #D32F2F;
}

/* Common Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius);
    font-size: var(--font-size-md);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-fast);
    line-height: 1;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
}

.btn-secondary {
    background-color: var(--surface-light);
    color: var(--text-primary);
    border: 1px solid var(--text-disabled);
}

.btn-secondary:hover {
    background-color: var(--surface-color);
    border-color: var(--primary-color);
}

.btn-success {
    background-color: var(--success-color);
    color: white;
}

.btn-success:hover {
    background-color: var(--primary-dark);
}

.btn-outline {
    background: none;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
}

.full-width {
    width: 100%;
}

/* Loading and Toast Notifications */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--surface-light);
    border-left: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-md);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.toast-container {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 10001;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.toast {
    background: var(--surface-color);
    color: var(--text-primary);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--primary-color);
    min-width: 300px;
    animation: slideInRight 0.3s ease;
}

.toast.success {
    border-left-color: var(--success-color);
}

.toast.error {
    border-left-color: var(--error-color);
}

.toast.warning {
    border-left-color: var(--warning-color);
}

/* Toast Icon and Message Layout */
.toast-icon {
    display: inline-block;
    margin-right: var(--spacing-sm);
    font-size: var(--font-size-lg);
}

.toast-message {
    display: inline-block;
    vertical-align: middle;
}

.toast {
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.toast:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        width: 280px;
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .header-center {
        flex: 1;
        margin: 0 var(--spacing-md);
    }
    
    .header-right .user-name {
        display: none;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        gap: var(--spacing-md);
    }
    
    .inventory-overview,
    .quick-actions,
    .expiring-soon,
    .recipe-suggestions {
        grid-column: 1;
        grid-row: auto;
    }
    
    .chart-container {
        flex-direction: column;
    }
    
    .filters-container {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-md);
    }
    
    .filter-group {
        flex-wrap: wrap;
    }
    
    .expiring-stats {
        grid-template-columns: 1fr;
    }
    
    .expiring-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .recipe-grid {
        grid-template-columns: 1fr;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(2px);
}

.modal-content {
    position: relative;
    background: var(--surface-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--surface-light);
}

.modal-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--font-size-xxl);
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-small);
    transition: var(--transition-fast);
}

.modal-close:hover {
    background-color: var(--surface-light);
    color: var(--text-primary);
}

.modal-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

/* Recipe Modal Specific Styles */
.recipe-modal-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
}

.recipe-modal-meta {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: var(--surface-light);
    border-radius: var(--border-radius);
}

.recipe-meta-item {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.recipe-modal-section {
    margin-bottom: var(--spacing-lg);
}

.recipe-modal-section h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.recipe-ingredients-list,
.recipe-instructions-list {
    padding-left: var(--spacing-lg);
    line-height: 1.6;
}

.recipe-ingredients-list li,
.recipe-instructions-list li {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.recipe-modal-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--surface-light);
}

/* Empty State Styles */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
}

.empty-state-full {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    color: var(--text-secondary);
}

.empty-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
}

.empty-state h3,
.empty-state-full h3 {
    font-size: var(--font-size-lg);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.empty-state p,
.empty-state-full p {
    margin-bottom: var(--spacing-lg);
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.empty-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Table Status Styles */
.table-empty-state,
.table-loading-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
}

.empty-state-cell,
.loading-cell {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
}

/* Expiring Items Status Colors */
.expiring-table tr.expired {
    background-color: rgba(244, 67, 54, 0.05);
}

.expiring-table tr.urgent {
    background-color: rgba(255, 152, 0, 0.05);
}

.expiring-table tr.warning {
    background-color: rgba(255, 193, 7, 0.05);
}

.item-cell {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.item-name {
    font-weight: 500;
    color: var(--text-primary);
}

.item-details {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

.date-cell {
    text-align: center;
}

.expiration-date {
    font-weight: 500;
    color: var(--text-primary);
}

.days-cell {
    text-align: center;
    font-weight: 500;
}

.status-normal { color: var(--success-color); }
.status-warning { color: var(--warning-color); }
.status-urgent { color: var(--error-color); }
.status-expired { color: var(--error-color); font-weight: 600; }

/* Recipe Card Image Container */
.recipe-card-image-container {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.recipe-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: var(--transition-normal);
}

.recipe-card-image.placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    background-color: var(--surface-light);
    color: var(--text-disabled);
}

.recipe-card-full:hover .recipe-card-image {
    transform: scale(1.05);
}

/* Loading States */
.loading-state {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
}

/* Search Results */
.search-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--surface-color);
    border: 1px solid var(--text-disabled);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    max-height: 300px;
    overflow-y: auto;
}

.search-suggestion {
    padding: var(--spacing-md);
    cursor: pointer;
    border-bottom: 1px solid var(--surface-light);
    transition: var(--transition-fast);
}

.search-suggestion:hover {
    background-color: var(--surface-light);
}

.search-suggestion:last-child {
    border-bottom: none;
}

/* Additional Chart Styles */
.stock-percent-text {
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-align: center;
}

/* Mobile Responsive Improvements */
@media (max-width: 768px) {
    .modal-content {
        margin: var(--spacing-md);
        max-height: calc(100vh - 2 * var(--spacing-md));
    }
    
    .modal-body {
        padding: var(--spacing-md);
    }
    
    .recipe-modal-meta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .recipe-modal-actions {
        flex-direction: column;
    }
    
    .empty-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .expiring-table {
        font-size: var(--font-size-sm);
    }
    
    .table-actions {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .table-action-btn {
        font-size: var(--font-size-xs);
        padding: var(--spacing-xs);
    }
}

@media (max-width: 480px) {
    :root {
        --sidebar-width: 260px;
        --spacing-lg: 16px;
        --spacing-xl: 24px;
    }
    
    .page-content {
        padding: var(--spacing-md);
    }
    
    .dashboard-section {
        padding: var(--spacing-md);
    }
    
    .app-header {
        padding: 0 var(--spacing-md);
    }
    
    .search-container {
        max-width: none;
    }
    
    .scanner-frame {
        width: 250px;
        height: 160px;
    }
    
    .scanner-viewport {
        height: 300px;
    }
    
    .modal-content {
        margin: var(--spacing-sm);
        max-height: calc(100vh - 2 * var(--spacing-sm));
    }
    
    .expiring-table th,
    .expiring-table td {
        padding: var(--spacing-sm);
        font-size: var(--font-size-xs);
    }
    
    .item-details {
        display: none; /* Hide secondary info on very small screens */
    }
}

/* ==========================================
   MANUAL ENTRY STYLES
   ========================================== */

.manual-entry {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    box-shadow: var(--shadow-sm);
}

.manual-entry summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--text-primary);
    padding: var(--spacing-sm) 0;
    user-select: none;
    list-style: none;
    position: relative;
}

.manual-entry summary::-webkit-details-marker {
    display: none;
}

.manual-entry summary::before {
    content: '▶';
    position: absolute;
    left: -1.2em;
    transition: transform 0.2s ease;
}

.manual-entry[open] summary::before {
    transform: rotate(90deg);
}

.manual-input {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    align-items: stretch;
}

.manual-input input {
    flex: 1;
    padding: var(--spacing-md);
    border: 1px solid var(--text-disabled);
    border-radius: var(--border-radius);
    font-size: var(--font-size-md);
    color: var(--text-primary);
    background: var(--surface-color);
    transition: var(--transition-fast);
}

.manual-input input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.2);
}

.manual-input input::placeholder {
    color: var(--text-disabled);
}

.manual-input .btn {
    white-space: nowrap;
    min-width: 120px;
}

/* ==========================================
   PRODUCT PREVIEW CARD STYLES
   ========================================== */

.product-preview-card {
    background: var(--surface-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    margin: var(--spacing-lg) 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease-out;
}

.product-preview-card.show {
    opacity: 1;
    transform: translateY(0);
}

.product-preview-content {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
}

/* Product Image Container */
.product-image-container {
    flex-shrink: 0;
    width: 120px;
    height: 120px;
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    background: var(--background-secondary);
    border: 1px solid var(--text-disabled);
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--border-radius);
}

.product-image-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-disabled);
    text-align: center;
}

.placeholder-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-xs);
}

.placeholder-text {
    font-size: var(--font-size-xs);
    font-weight: 500;
}

/* Product Info */
.product-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0; /* Allow text truncation */
}

.product-header {
    margin-bottom: var(--spacing-md);
}

.product-name {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
    word-wrap: break-word;
}

.barcode-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.barcode-number {
    font-family: 'Courier New', monospace;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    background: var(--background-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    border: 1px solid var(--text-disabled);
}

.confidence-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.confidence-indicator.high {
    color: var(--success-color);
}

.confidence-indicator.medium {
    color: #f59e0b; /* Warning color */
}

.confidence-indicator.low {
    color: var(--error-color);
}

.confidence-icon {
    font-size: var(--font-size-sm);
}

/* Product Details */
.product-details {
    flex: 1;
}

.product-brand {
    font-size: var(--font-size-md);
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.product-description {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.4;
    margin-bottom: var(--spacing-md);
    max-height: 3em; /* Limit to ~3 lines */
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.product-meta {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.meta-tag {
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.meta-tag.category {
    background: var(--primary-color);
}

.meta-tag.size {
    background: var(--text-secondary);
}

/* Product Actions */
.product-actions {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--background-secondary);
    border-top: 1px solid var(--text-disabled);
}

.product-actions .btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    min-height: 48px;
    font-weight: 600;
}

.btn-icon {
    font-size: var(--font-size-lg);
}

.confirm-product {
    background: var(--success-color);
    color: white;
    border: none;
}

.confirm-product:hover {
    background: #16a34a;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.not-this-product {
    background: var(--surface-color);
    color: var(--text-secondary);
    border: 2px solid var(--text-disabled);
}

.not-this-product:hover {
    background: var(--error-color);
    color: white;
    border-color: var(--error-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Mobile Responsive */
@media (max-width: 480px) {
    .product-preview-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .product-image-container {
        width: 100px;
        height: 100px;
        align-self: center;
    }
    
    .product-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .product-actions .btn {
        justify-content: center;
    }
}

/* ===== INVENTORY PAGE STYLES ===== */

/* Inventory Controls */
.inventory-controls {
    background: var(--surface-color);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.inventory-controls .search-container {
    display: flex;
    gap: var(--spacing-sm);
}

.inventory-controls .search-container input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--text-disabled);
    border-radius: var(--border-radius-small);
    font-size: 14px;
    transition: border-color 0.2s;
}

.inventory-controls .search-container input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.inventory-controls .search-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius-small);
    cursor: pointer;
    transition: background 0.2s;
}

.inventory-controls .search-btn:hover {
    background: var(--primary-dark);
}

.filter-controls {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.filter-controls select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--text-disabled);
    border-radius: var(--border-radius-small);
    background: var(--surface-color);
    font-size: 14px;
    min-width: 140px;
}

.filter-controls select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.view-controls {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.view-toggle {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--surface-light);
    border: 2px solid var(--text-disabled);
    border-radius: var(--border-radius-small);
    cursor: pointer;
    transition: all 0.2s;
    font-size: 16px;
}

.view-toggle.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.view-toggle:hover:not(.active) {
    background: var(--primary-light);
    border-color: var(--primary-light);
}

.bulk-actions-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--secondary-color);
    color: var(--text-primary);
    border: none;
    border-radius: var(--border-radius-small);
    cursor: pointer;
    font-weight: 500;
    transition: background 0.2s;
}

.bulk-actions-btn:hover {
    background: #FFB300;
}

.bulk-count {
    font-weight: bold;
}

/* Inventory Statistics */
.inventory-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.inventory-stats .stat-card {
    background: var(--surface-color);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.inventory-stats .stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.inventory-stats .stat-card.expiring {
    border-left: 4px solid var(--warning-color);
}

.inventory-stats .stat-card.categories {
    border-left: 4px solid var(--info-color);
}

.inventory-stats .stat-card.locations {
    border-left: 4px solid var(--accent-color);
}

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Loading and Empty States */
.inventory-loading {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--surface-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.inventory-empty {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--surface-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.inventory-empty .empty-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.6;
}

.inventory-empty h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.inventory-empty p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

/* Card View */
.inventory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.inventory-card {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-lg);
    transition: transform 0.2s, box-shadow 0.2s;
    border-left: 4px solid var(--success-color);
}

.inventory-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.inventory-card.warning {
    border-left-color: var(--warning-color);
}

.inventory-card.critical {
    border-left-color: var(--accent-color);
}

.inventory-card.expired {
    border-left-color: var(--error-color);
    opacity: 0.7;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.card-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    font-weight: 500;
}

.card-status.fresh {
    color: var(--success-color);
}

.card-status.warning {
    color: var(--warning-color);
}

.card-status.critical {
    color: var(--accent-color);
}

.card-status.expired {
    color: var(--error-color);
}

.card-content {
    margin-bottom: var(--spacing-lg);
}

.item-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.item-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.detail-item {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
}

.detail-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.detail-value {
    color: var(--text-primary);
    font-weight: 500;
}

.detail-value.fresh {
    color: var(--success-color);
}

.detail-value.warning {
    color: var(--warning-color);
}

.detail-value.critical {
    color: var(--accent-color);
}

.detail-value.expired {
    color: var(--error-color);
}

.card-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.quantity-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--surface-light);
    padding: var(--spacing-xs);
    border-radius: var(--border-radius-small);
}

.quantity-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    transition: background 0.2s;
}

.quantity-btn:hover {
    background: var(--primary-dark);
}

.quantity-btn.small {
    width: 24px;
    height: 24px;
    font-size: 0.75rem;
}

.quantity-display {
    font-weight: bold;
    color: var(--text-primary);
    min-width: 32px;
    text-align: center;
}

.action-buttons {
    display: flex;
    gap: var(--spacing-xs);
}

.action-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--surface-light);
    border-radius: var(--border-radius-small);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.action-btn:hover {
    background: var(--primary-light);
    transform: scale(1.1);
}

.action-btn.small {
    width: 28px;
    height: 28px;
    font-size: 0.75rem;
}

.edit-item-btn:hover {
    background: var(--info-color);
    color: white;
}

.delete-item-btn:hover {
    background: var(--error-color);
    color: white;
}

/* Table View */
.table-container {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    overflow-x: auto;
}

.inventory-table {
    width: 100%;
    border-collapse: collapse;
}

.inventory-table th {
    background: var(--surface-light);
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--text-disabled);
    white-space: nowrap;
}

.inventory-table th.sortable {
    cursor: pointer;
    user-select: none;
    position: relative;
}

.inventory-table th.sortable:hover {
    background: var(--primary-light);
    color: white;
}

.inventory-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--surface-light);
    vertical-align: middle;
}

.inventory-row:hover {
    background: var(--surface-light);
}

.inventory-row.warning {
    background: rgba(255, 152, 0, 0.1);
}

.inventory-row.critical {
    background: rgba(255, 87, 34, 0.1);
}

.inventory-row.expired {
    background: rgba(244, 67, 54, 0.1);
    opacity: 0.7;
}

.select-column {
    width: 40px;
    text-align: center;
}

.item-column {
    min-width: 200px;
}

.quantity-column {
    width: 120px;
    text-align: center;
}

.category-column,
.location-column {
    width: 120px;
}

.expiration-column {
    width: 140px;
}

.actions-column {
    width: 80px;
    text-align: center;
}

.item-info {
    display: flex;
    flex-direction: column;
}

.item-brand {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-style: italic;
}

.expiration-date {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
}

.expiration-date.fresh {
    color: var(--success-color);
}

.expiration-date.warning {
    color: var(--warning-color);
}

.expiration-date.critical {
    color: var(--accent-color);
}

.expiration-date.expired {
    color: var(--error-color);
}

.no-expiration {
    color: var(--text-disabled);
    font-style: italic;
}

/* Bulk Actions Panel */
.bulk-actions-panel {
    position: fixed;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    background: var(--surface-color);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--primary-color);
    z-index: 1000;
}

.bulk-actions-content {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.bulk-action-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--border-radius-small);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s;
}

.bulk-action-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.bulk-action-btn[data-action="delete"] {
    background: var(--error-color);
    color: white;
}

.bulk-action-btn[data-action="move"] {
    background: var(--info-color);
    color: white;
}

.bulk-action-btn[data-action="category"] {
    background: var(--secondary-color);
    color: var(--text-primary);
}

.bulk-action-btn.cancel {
    background: var(--surface-light);
    color: var(--text-secondary);
    border: 1px solid var(--text-disabled);
}

/* No Results Message */
.no-results {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
    font-style: italic;
    grid-column: 1 / -1;
}

/* Checkboxes */
.item-checkbox {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
    cursor: pointer;
}

/* Mobile Responsive - Inventory */
@media (max-width: 768px) {
    .inventory-controls {
        padding: var(--spacing-md);
    }
    
    .filter-controls {
        flex-direction: column;
    }
    
    .filter-controls select {
        min-width: auto;
        width: 100%;
    }
    
    .view-controls {
        justify-content: center;
        margin-top: var(--spacing-sm);
    }
    
    .inventory-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .inventory-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .inventory-card {
        padding: var(--spacing-md);
    }
    
    .card-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: stretch;
    }
    
    .action-buttons {
        justify-content: center;
    }
    
    /* Hide table view on mobile, force card view */
    .table-view {
        display: none !important;
    }
    
    .view-toggle[data-view="table"] {
        display: none;
    }
    
    .bulk-actions-panel {
        bottom: var(--spacing-md);
        left: var(--spacing-md);
        right: var(--spacing-md);
        transform: none;
        width: auto;
    }
    
    .bulk-actions-content {
        justify-content: space-around;
        flex-wrap: wrap;
    }
    
    .bulk-action-btn {
        font-size: 0.75rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .inventory-stats {
        grid-template-columns: 1fr;
    }
    
    .stat-card {
        padding: var(--spacing-md);
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .detail-item {
        flex-direction: column;
        gap: 2px;
    }
    
    .detail-label {
        font-size: 0.75rem;
    }
    
    .quantity-controls {
        justify-content: center;
    }
}

/* ===== ITEM EDIT MODAL ===== */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: var(--spacing-md);
}

.item-modal {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 2px solid var(--surface-light);
}

.modal-header h3 {
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
}

.modal-close-btn {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--border-radius-small);
    transition: background 0.2s;
}

.modal-close-btn:hover {
    background: var(--surface-light);
}

.modal-content {
    padding: var(--spacing-lg);
}

.modal-content .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.modal-content .form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.modal-content .form-group.full-width {
    grid-column: 1 / -1;
}

.modal-content .form-group label {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.modal-content .form-group input,
.modal-content .form-group select,
.modal-content .form-group textarea {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--text-disabled);
    border-radius: var(--border-radius-small);
    font-size: 14px;
    transition: border-color 0.2s;
    background: var(--surface-color);
}

.modal-content .form-group input:focus,
.modal-content .form-group select:focus,
.modal-content .form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.modal-content .form-group textarea {
    resize: vertical;
    min-height: 80px;
    font-family: inherit;
}

.modal-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--surface-light);
}

.modal-actions .btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-small);
    border: none;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.modal-actions .btn-primary {
    background: var(--primary-color);
    color: white;
}

.modal-actions .btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.modal-actions .btn-secondary {
    background: var(--surface-light);
    color: var(--text-secondary);
    border: 1px solid var(--text-disabled);
}

.modal-actions .btn-secondary:hover {
    background: var(--text-disabled);
    color: var(--text-primary);
}

/* Mobile Modal Responsive */
@media (max-width: 768px) {
    .modal-overlay {
        padding: var(--spacing-sm);
    }
    
    .item-modal {
        max-height: 95vh;
    }
    
    .modal-header,
    .modal-content {
        padding: var(--spacing-md);
    }
    
    .modal-content .form-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .modal-actions {
        flex-direction: column;
    }
    
    .modal-actions .btn {
        justify-content: center;
    }
}