/**
 * Main Stylesheet
 * Fast Food Management System
 * Modern Blue Theme with Glassmorphism
 */

/* ========== CSS Variables ========== */
:root {
    /* Primary Colors - Beautiful Blues */
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;

    /* Neutral Colors */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Status Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--primary-50) 0%, var(--primary-100) 100%);
    color: var(--gray-800);
    line-height: 1.6;
    min-height: 100vh;
}

/* ========== Typography ========== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

h6 {
    font-size: 1rem;
}

/* ========== Container ========== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ========== Header/Navbar ========== */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-600);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.navbar-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.navbar-link {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.navbar-link:hover {
    background: var(--primary-50);
    color: var(--primary-600);
}

.navbar-link.active {
    background: var(--primary-600);
    color: white;
}

/* User Dropdown */
.user-dropdown {
    position: relative;
}

.user-button {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--primary-50);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.user-button:hover {
    background: var(--primary-100);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary-600);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + var(--spacing-sm));
    right: 0;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    min-width: 200px;
    display: none;
    overflow: hidden;
}

.dropdown-menu.show {
    display: block;
    animation: fadeInDown 0.3s ease-out;
}

.dropdown-item {
    display: block;
    padding: var(--spacing-md);
    color: var(--gray-700);
    text-decoration: none;
    transition: all var(--transition-fast);
    border-bottom: 1px solid var(--gray-100);
}

.dropdown-item:last-child {
    border-bottom: none;
}

.dropdown-item:hover {
    background: var(--primary-50);
    color: var(--primary-600);
}

/* ========== Cards ========== */
.card {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    transition: all var(--transition-base);
}

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

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--gray-100);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 0;
}

.card-body {
    padding: var(--spacing-md) 0;
}

/* Glass Card */
.glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* ========== Buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--primary-600);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-700);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--gray-600);
    color: white;
}

.btn-secondary:hover:not(:disabled) {
    background: var(--gray-700);
}

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

.btn-success:hover:not(:disabled) {
    background: #059669;
}

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

.btn-danger:hover:not(:disabled) {
    background: #dc2626;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-600);
    color: var(--primary-600);
}

.btn-outline:hover:not(:disabled) {
    background: var(--primary-600);
    color: white;
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.875rem;
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
}

/* ========== Forms ========== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--gray-700);
}

.form-control {
    width: 100%;
    padding: var(--spacing-md);
    font-size: 1rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    background: white;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-600);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-control::placeholder {
    color: var(--gray-400);
}

select.form-control {
    cursor: pointer;
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

/* ========== Tables ========== */
.table-responsive {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

thead {
    background: var(--primary-600);
    color: white;
}

thead th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
}

tbody tr {
    border-bottom: 1px solid var(--gray-200);
    transition: all var(--transition-fast);
}

tbody tr:hover {
    background: var(--primary-50);
}

tbody td {
    padding: var(--spacing-md);
}

/* ========== Stats Cards ========== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    transition: all var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.stat-icon.blue {
    background: var(--primary-100);
    color: var(--primary-600);
}

.stat-icon.green {
    background: #d1fae5;
    color: var(--success);
}

.stat-icon.orange {
    background: #fed7aa;
    color: var(--warning);
}

.stat-icon.red {
    background: #fee2e2;
    color: var(--danger);
}

.stat-content h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0;
}

.stat-content p {
    color: var(--gray-600);
    margin: 0;
    font-size: 0.875rem;
}

/* ========== Modal ========== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
    animation: fadeIn 0.3s ease-out;
}

.modal-content {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease-out;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--gray-100);
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
}

.close-modal {
    background: transparent;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray-500);
    transition: color var(--transition-fast);
}

.close-modal:hover {
    color: var(--gray-900);
}

/* ========== Alerts ========== */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border-left: 4px solid var(--success);
}

.alert-danger {
    background: #fee2e2;
    color: #991b1b;
    border-left: 4px solid var(--danger);
}

.alert-warning {
    background: #fed7aa;
    color: #92400e;
    border-left: 4px solid var(--warning);
}

.alert-info {
    background: var(--primary-100);
    color: var(--primary-900);
    border-left: 4px solid var(--primary-600);
}

/* ========== Utilities ========== */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.text-left {
    text-align: left;
}

.mt-0 {
    margin-top: 0;
}

.mt-1 {
    margin-top: var(--spacing-sm);
}

.mt-2 {
    margin-top: var(--spacing-md);
}

.mt-3 {
    margin-top: var(--spacing-lg);
}

.mt-4 {
    margin-top: var(--spacing-xl);
}

.mb-0 {
    margin-bottom: 0;
}

.mb-1 {
    margin-bottom: var(--spacing-sm);
}

.mb-2 {
    margin-bottom: var(--spacing-md);
}

.mb-3 {
    margin-bottom: var(--spacing-lg);
}

.mb-4 {
    margin-bottom: var(--spacing-xl);
}

.d-flex {
    display: flex;
}

.align-items-center {
    align-items: center;
}

.justify-content-between {
    justify-content: space-between;
}

.gap-1 {
    gap: var(--spacing-sm);
}

.gap-2 {
    gap: var(--spacing-md);
}

.gap-3 {
    gap: var(--spacing-lg);
}

/* ========== Animations ========== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========== Responsive Design ========== */

/* Mobile Menu Toggle Button */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 7px;
    background: white;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-lg);
    cursor: pointer;
    padding: 14px 16px;
    width: 56px;
    height: 52px;
    z-index: 1001;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    transition: all var(--transition-fast);
}

.mobile-menu-toggle:hover {
    background: var(--gray-50);
    border-color: var(--gray-400);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}

.mobile-menu-toggle:active {
    transform: scale(0.95);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

.mobile-menu-toggle span {
    display: block;
    width: 32px;
    height: 4px;
    background: var(--gray-900);
    border-radius: 4px;
    transition: all var(--transition-base);
}

.mobile-menu-toggle.active {
    background: var(--danger);
    border-color: #dc2626;
}

.mobile-menu-toggle.active span {
    background: white;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(10px, 10px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(-20px);
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(10px, -10px);
}

/* Sidebar Overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.sidebar-overlay.show {
    display: block;
    opacity: 1;
}

@media (max-width: 768px) {

    /* Show mobile menu toggle - FORCE DISPLAY */
    .mobile-menu-toggle {
        display: flex !important;
        order: 1;
    }

    /* Adjust navbar container for mobile */
    .navbar-container {
        display: grid;
        grid-template-columns: auto 1fr auto;
        align-items: center;
        gap: var(--spacing-md);
    }

    .navbar-brand {
        order: 2;
        justify-self: center;
        font-size: 1.25rem;
    }

    /* Mobile Sidebar Menu */
    .navbar-menu {
        position: fixed;
        top: 0;
        left: -300px;
        width: 280px;
        height: 100vh;
        background: white;
        flex-direction: column;
        padding: var(--spacing-xl);
        padding-top: 80px;
        box-shadow: var(--shadow-xl);
        z-index: 1000;
        overflow-y: auto;
        transition: left var(--transition-base);
        gap: 0;
    }

    .navbar-menu.show {
        left: 0;
    }

    .navbar-menu li {
        width: 100%;
        margin-bottom: var(--spacing-sm);
    }

    .navbar-link {
        display: block;
        width: 100%;
        padding: var(--spacing-md);
        border-radius: var(--radius-md);
        font-size: 1rem;
        min-height: 48px;
        display: flex;
        align-items: center;
    }

    /* User dropdown in sidebar */
    .user-dropdown {
        order: -1;
        margin-bottom: var(--spacing-xl);
        padding-bottom: var(--spacing-xl);
        border-bottom: 2px solid var(--gray-200);
    }

    .user-button {
        width: 100%;
        justify-content: flex-start;
        padding: var(--spacing-md);
        min-height: 48px;
    }

    .dropdown-menu {
        position: static;
        box-shadow: none;
        margin-top: var(--spacing-sm);
        border-radius: var(--radius-md);
        background: var(--gray-50);
    }

    .dropdown-item {
        min-height: 48px;
        display: flex;
        align-items: center;
    }

    /* Stats Grid */
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

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

    /* Typography */
    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.25rem;
    }

    h4 {
        font-size: 1.125rem;
    }

    /* Cards */
    .card {
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-md);
    }

    /* Buttons - Touch Friendly */
    .btn {
        min-height: 48px;
        padding: 12px var(--spacing-lg);
        font-size: 1rem;
    }

    .btn-sm {
        min-height: 44px;
        padding: 10px var(--spacing-md);
        font-size: 0.9rem;
    }

    .btn-lg {
        min-height: 56px;
        padding: 16px var(--spacing-xl);
        font-size: 1.125rem;
    }

    /* Forms - Touch Optimized */
    .form-control {
        min-height: 48px;
        font-size: 16px;
        /* Prevents zoom on iOS */
        padding: 12px var(--spacing-md);
    }

    select.form-control {
        min-height: 48px;
        font-size: 16px;
    }

    textarea.form-control {
        min-height: 120px;
        font-size: 16px;
    }

    .form-label {
        font-size: 0.95rem;
        margin-bottom: 8px;
    }

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

    /* Tables */
    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        border-radius: var(--radius-md);
        box-shadow: inset -5px 0 10px -5px rgba(0, 0, 0, 0.1);
    }

    table {
        min-width: 600px;
        font-size: 0.9rem;
    }

    thead th {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.875rem;
    }

    tbody td {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    /* Modal */
    .modal-content {
        width: 95%;
        max-width: 500px;
        padding: var(--spacing-md);
        margin: var(--spacing-md);
    }

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

    /* Container */
    .container {
        padding: 0 var(--spacing-md);
    }

    /* Main Content */
    .main-content {
        padding: var(--spacing-md);
    }
}

/* Small Mobile Devices */
@media (max-width: 480px) {

    /* Reduce spacing on very small screens */
    :root {
        --spacing-md: 0.75rem;
        --spacing-lg: 1rem;
        --spacing-xl: 1.25rem;
    }

    /* Typography even smaller */
    h1 {
        font-size: 1.5rem;
    }

    h2 {
        font-size: 1.25rem;
    }

    h3 {
        font-size: 1.125rem;
    }

    /* Full width buttons */
    .btn {
        width: 100%;
        justify-content: center;
    }

    .btn+.btn {
        margin-top: var(--spacing-sm);
    }

    /* Smaller cards */
    .card {
        padding: var(--spacing-sm);
        border-radius: var(--radius-md);
    }

    /* Stats */
    .stat-card {
        padding: var(--spacing-sm);
        gap: var(--spacing-sm);
    }

    .stat-icon {
        width: 48px;
        height: 48px;
        font-size: 1.25rem;
    }

    .stat-content h3 {
        font-size: 1.5rem;
    }

    .stat-content p {
        font-size: 0.8rem;
    }
}

/* Tablet Portrait */
@media (min-width: 769px) and (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .container {
        padding: 0 var(--spacing-xl);
    }

    /* Tables better on tablet */
    table {
        font-size: 0.95rem;
    }
}