* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
  --background: oklch(0.9821 0 0);
  --foreground: oklch(0.2435 0 0);
  --card: oklch(0.9911 0 0);
  --card-foreground: oklch(0.2435 0 0);
  --popover: oklch(0.9911 0 0);
  --popover-foreground: oklch(0.2435 0 0);
  --primary: oklch(0.4341 0.0392 41.9938);
  --primary-foreground: oklch(1.0000 0 0);
  --secondary: oklch(0.9200 0.0651 74.3695);
  --secondary-foreground: oklch(0.3499 0.0685 40.8288);
  --muted: oklch(0.9521 0 0);
  --muted-foreground: oklch(0.5032 0 0);
  --accent: oklch(0.9310 0 0);
  --accent-foreground: oklch(0.2435 0 0);
  --destructive: oklch(0.6271 0.1936 33.3390);
  --destructive-foreground: oklch(1.0000 0 0);
  --border: oklch(0.8822 0 0);
  --input: oklch(0.8822 0 0);
  --ring: oklch(0.4341 0.0392 41.9938);
  --chart-1: oklch(0.4341 0.0392 41.9938);
  --chart-2: oklch(0.9200 0.0651 74.3695);
  --chart-3: oklch(0.9310 0 0);
  --chart-4: oklch(0.9367 0.0523 75.5009);
  --chart-5: oklch(0.4338 0.0437 41.6746);
  --sidebar: oklch(0.9881 0 0);
  --sidebar-foreground: oklch(0.2645 0 0);
  --sidebar-primary: oklch(0.3250 0 0);
  --sidebar-primary-foreground: oklch(0.9881 0 0);
  --sidebar-accent: oklch(0.9761 0 0);
  --sidebar-accent-foreground: oklch(0.3250 0 0);
  --sidebar-border: oklch(0.9401 0 0);
  --sidebar-ring: oklch(0.7731 0 0);
  --font-sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';
  --font-serif: ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --radius: 0.5rem;
  --shadow-x: 0;
  --shadow-y: 1px;
  --shadow-blur: 3px;
  --shadow-spread: 0px;
  --shadow-opacity: 0.1;
  --shadow-color: oklch(0 0 0);
  --shadow-2xs: 0 1px 3px 0px hsl(0 0% 0% / 0.05);
  --shadow-xs: 0 1px 3px 0px hsl(0 0% 0% / 0.05);
  --shadow-sm: 0 1px 3px 0px hsl(0 0% 0% / 0.10), 0 1px 2px -1px hsl(0 0% 0% / 0.10);
  --shadow: 0 1px 3px 0px hsl(0 0% 0% / 0.10), 0 1px 2px -1px hsl(0 0% 0% / 0.10);
  --shadow-md: 0 1px 3px 0px hsl(0 0% 0% / 0.10), 0 2px 4px -1px hsl(0 0% 0% / 0.10);
  --shadow-lg: 0 1px 3px 0px hsl(0 0% 0% / 0.10), 0 4px 6px -1px hsl(0 0% 0% / 0.10);
  --shadow-xl: 0 1px 3px 0px hsl(0 0% 0% / 0.10), 0 8px 10px -1px hsl(0 0% 0% / 0.10);
  --shadow-2xl: 0 1px 3px 0px hsl(0 0% 0% / 0.25);
  --tracking-normal: 0em;
  --spacing: 0.25rem;

  /* Legacy variables for backward compatibility */
  --primary-color: var(--primary);
  --primary-dark: oklch(0.3500 0.0392 41.9938);
  --primary-light: oklch(0.5500 0.0392 41.9938);
  --secondary-color: var(--secondary);
  --accent-color: var(--accent);
  --text-color: var(--foreground);
  --text-secondary: var(--muted-foreground);
  --bg-color: var(--background);
  --bg-paper: var(--card);
  --white: var(--primary-foreground);
  --success: oklch(0.6000 0.1500 150.0000);
  --warning: oklch(0.7000 0.1500 60.0000);
  --danger: var(--destructive);
  --info: var(--primary);
  --border-radius: var(--radius);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.dark {
  --background: oklch(0.1776 0 0);
  --foreground: oklch(0.9491 0 0);
  --card: oklch(0.2134 0 0);
  --card-foreground: oklch(0.9491 0 0);
  --popover: oklch(0.2134 0 0);
  --popover-foreground: oklch(0.9491 0 0);
  --primary: oklch(0.9247 0.0524 66.1732);
  --primary-foreground: oklch(0.2029 0.0240 200.1962);
  --secondary: oklch(0.3163 0.0190 63.6992);
  --secondary-foreground: oklch(0.9247 0.0524 66.1732);
  --muted: oklch(0.2520 0 0);
  --muted-foreground: oklch(0.7699 0 0);
  --accent: oklch(0.2850 0 0);
  --accent-foreground: oklch(0.9491 0 0);
  --destructive: oklch(0.6271 0.1936 33.3390);
  --destructive-foreground: oklch(1.0000 0 0);
  --border: oklch(0.2351 0.0115 91.7467);
  --input: oklch(0.4017 0 0);
  --ring: oklch(0.9247 0.0524 66.1732);
  --chart-1: oklch(0.9247 0.0524 66.1732);
  --chart-2: oklch(0.3163 0.0190 63.6992);
  --chart-3: oklch(0.2850 0 0);
  --chart-4: oklch(0.3481 0.0219 67.0001);
  --chart-5: oklch(0.9245 0.0533 67.0855);
  --sidebar: oklch(0.2103 0.0059 285.8852);
  --sidebar-foreground: oklch(0.9674 0.0013 286.3752);
  --sidebar-primary: oklch(0.4882 0.2172 264.3763);
  --sidebar-primary-foreground: oklch(1.0000 0 0);
  --sidebar-accent: oklch(0.2739 0.0055 286.0326);
  --sidebar-accent-foreground: oklch(0.9674 0.0013 286.3752);
  --sidebar-border: oklch(0.2739 0.0055 286.0326);
  --sidebar-ring: oklch(0.8711 0.0055 286.2860);
  --font-sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';
  --font-serif: ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --radius: 0.5rem;
  --shadow-x: 0;
  --shadow-y: 1px;
  --shadow-blur: 3px;
  --shadow-spread: 0px;
  --shadow-opacity: 0.1;
  --shadow-color: oklch(0 0 0);
  --shadow-2xs: 0 1px 3px 0px hsl(0 0% 0% / 0.05);
  --shadow-xs: 0 1px 3px 0px hsl(0 0% 0% / 0.05);
  --shadow-sm: 0 1px 3px 0px hsl(0 0% 0% / 0.10), 0 1px 2px -1px hsl(0 0% 0% / 0.10);
  --shadow: 0 1px 3px 0px hsl(0 0% 0% / 0.10), 0 1px 2px -1px hsl(0 0% 0% / 0.10);
  --shadow-md: 0 1px 3px 0px hsl(0 0% 0% / 0.10), 0 2px 4px -1px hsl(0 0% 0% / 0.10);
  --shadow-lg: 0 1px 3px 0px hsl(0 0% 0% / 0.10), 0 4px 6px -1px hsl(0 0% 0% / 0.10);
  --shadow-xl: 0 1px 3px 0px hsl(0 0% 0% / 0.10), 0 8px 10px -1px hsl(0 0% 0% / 0.10);
  --shadow-2xl: 0 1px 3px 0px hsl(0 0% 0% / 0.25);

  /* Legacy variables for backward compatibility */
  --primary-color: var(--primary);
  --primary-dark: oklch(0.8000 0.0524 66.1732);
  --primary-light: oklch(0.9500 0.0524 66.1732);
  --secondary-color: var(--secondary);
  --accent-color: var(--accent);
  --text-color: var(--foreground);
  --text-secondary: var(--muted-foreground);
  --bg-color: var(--background);
  --bg-paper: var(--card);
  --white: var(--primary-foreground);
  --success: oklch(0.6000 0.1500 150.0000);
  --warning: oklch(0.7000 0.1500 60.0000);
  --danger: var(--destructive);
  --info: var(--primary);
  --border-radius: var(--radius);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@theme inline {
  --color-background: var(--background);
  --color-foreground: var(--foreground);
  --color-card: var(--card);
  --color-card-foreground: var(--card-foreground);
  --color-popover: var(--popover);
  --color-popover-foreground: var(--popover-foreground);
  --color-primary: var(--primary);
  --color-primary-foreground: var(--primary-foreground);
  --color-secondary: var(--secondary);
  --color-secondary-foreground: var(--secondary-foreground);
  --color-muted: var(--muted);
  --color-muted-foreground: var(--muted-foreground);
  --color-accent: var(--accent);
  --color-accent-foreground: var(--accent-foreground);
  --color-destructive: var(--destructive);
  --color-destructive-foreground: var(--destructive-foreground);
  --color-border: var(--border);
  --color-input: var(--input);
  --color-ring: var(--ring);
  --color-chart-1: var(--chart-1);
  --color-chart-2: var(--chart-2);
  --color-chart-3: var(--chart-3);
  --color-chart-4: var(--chart-4);
  --color-chart-5: var(--chart-5);
  --color-sidebar: var(--sidebar);
  --color-sidebar-foreground: var(--sidebar-foreground);
  --color-sidebar-primary: var(--sidebar-primary);
  --color-sidebar-primary-foreground: var(--sidebar-primary-foreground);
  --color-sidebar-accent: var(--sidebar-accent);
  --color-sidebar-accent-foreground: var(--sidebar-accent-foreground);
  --color-sidebar-border: var(--sidebar-border);
  --color-sidebar-ring: var(--sidebar-ring);

  --font-sans: var(--font-sans);
  --font-mono: var(--font-mono);
  --font-serif: var(--font-serif);

  --radius-sm: calc(var(--radius) - 4px);
  --radius-md: calc(var(--radius) - 2px);
  --radius-lg: var(--radius);
  --radius-xl: calc(var(--radius) + 4px);

  --shadow-2xs: var(--shadow-2xs);
  --shadow-xs: var(--shadow-xs);
  --shadow-sm: var(--shadow-sm);
  --shadow: var(--shadow);
  --shadow-md: var(--shadow-md);
  --shadow-lg: var(--shadow-lg);
  --shadow-xl: var(--shadow-xl);
  --shadow-2xl: var(--shadow-2xl);
}

body {
    font-family: 'Niramit', var(--font-sans);
    background-color: var(--background);
    color: var(--foreground);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
.navbar {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 1rem 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav-brand h1 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-brand h1::before {
    content: '\f2e7';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 1.3rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    margin: 0;
    padding: 0;
}

.nav-menu li {
    position: relative;
}

.nav-menu a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
}

.nav-menu a::before {
    opacity: 0;
    transition: var(--transition);
}

.nav-menu a:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.nav-menu a i {
    font-size: 0.9rem;
}

/* Dropdown Menu */
.nav-dropdown {
    position: relative;
}

.dropdown-toggle {
    cursor: pointer;
}

.dropdown-toggle .fa-chevron-down {
    font-size: 0.7rem;
    margin-left: 0.25rem;
    transition: transform 0.3s;
}

.nav-dropdown.active .dropdown-toggle .fa-chevron-down {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    min-width: 220px;
    box-shadow: var(--shadow-lg);
    border-radius: var(--border-radius);
    list-style: none;
    padding: 0.5rem 0;
    margin: 0.5rem 0 0 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    border: 1px solid var(--border);
    max-height: 0;
    overflow: hidden;
}

.nav-dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    max-height: 500px;
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    color: var(--foreground);
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: var(--transition);
    border-radius: 0;
}

.dropdown-menu a:hover {
    background: var(--accent);
    transform: none;
    color: var(--foreground);
}

.dropdown-menu a i {
    width: 20px;
    text-align: center;
    color: var(--primary-color);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--white);
    transition: 0.3s;
}

/* Main Content */
.main-content {
    padding: 2rem 0;
    min-height: calc(100vh - 200px);
}

.page-header {
    text-align: center;
    margin-bottom: 2rem;
}

.page-header h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* Cards - React Material-UI Style */
.card {
    background: var(--bg-paper);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(25, 118, 210, 0.2);
}

.card:hover::before {
    transform: scaleX(1);
}

.card-title {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

/* Menu Grid */
.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.menu-item {
    background: var(--bg-paper);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
}

.menu-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(25, 118, 210, 0.05) 0%, rgba(25, 118, 210, 0.02) 100%);
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
}

.menu-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.menu-item:hover::after {
    opacity: 1;
}

.menu-item-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
}

.menu-item-info {
    padding: 1rem;
}

.menu-item-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.menu-item-price {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent-color);
}

.menu-item-description {
    font-size: 0.9rem;
    color: #666;
    margin-top: 0.5rem;
}

/* Buttons - React Material-UI Style */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Niramit', sans-serif;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-sm);
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn:active {
    transform: scale(0.98);
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

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

.btn-success:hover {
    background: #218838;
}

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

.btn-danger:hover {
    background: #c82333;
}

.btn-warning {
    background: var(--warning);
    color: var(--text-color);
}

.btn-warning:hover {
    background: #e0a800;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.btn-block {
    width: 100%;
    display: block;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-color);
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-family: 'Niramit', sans-serif;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.1);
    transform: translateY(-1px);
}

select.form-control {
    cursor: pointer;
}

/* Order Summary */
.order-summary {
    background: var(--white);
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    position: sticky;
    top: 80px;
}

.order-items {
    max-height: 400px;
    overflow-y: auto;
    margin-bottom: 1rem;
}

.order-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid #eee;
}

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

.order-item-info {
    flex: 1;
}

.order-item-name {
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.order-item-option {
    font-size: 0.85rem;
    color: #666;
}

.order-item-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quantity-control {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quantity-btn {
    width: 30px;
    height: 30px;
    border: 1px solid #ddd;
    background: var(--white);
    border-radius: 5px;
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.quantity-btn {
    transition: var(--transition);
}

.quantity-btn:hover {
    background: var(--primary-light);
    color: var(--white);
    transform: scale(1.1);
    box-shadow: var(--shadow-sm);
}

.order-total {
    border-top: 2px solid var(--primary-color);
    padding-top: 1rem;
    margin-top: 1rem;
}

.total-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.total-amount {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* Beverage Options */
.beverage-options {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.option-btn {
    padding: 0.5rem 1rem;
    border: 2px solid var(--primary-color);
    background: var(--white);
    color: var(--primary-color);
    border-radius: 20px;
    cursor: pointer;
    font-family: 'Niramit', sans-serif;
    font-size: 0.9rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    font-weight: 500;
}

.option-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: var(--primary-color);
    transform: translate(-50%, -50%);
    transition: width 0.4s, height 0.4s;
    z-index: 0;
}

.option-btn span {
    position: relative;
    z-index: 1;
}

.option-btn:hover,
.option-btn.active {
    color: var(--white);
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.option-btn.active::before,
.option-btn:hover::before {
    width: 200px;
    height: 200px;
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

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

.table th,
.table td {
    padding: 1rem;
    text-align: left;
}

.table tbody tr {
    border-bottom: 1px solid #eee;
}

.table tbody tr {
    transition: var(--transition);
}

.table tbody tr:hover {
    background: rgba(25, 118, 210, 0.05);
    transform: scale(1.01);
}

.table tbody tr:last-child {
    border-bottom: none;
}

/* Status Badges */
.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.badge-pending {
    background: #fff3cd;
    color: #856404;
}

.badge-confirmed {
    background: #d1ecf1;
    color: #0c5460;
}

.badge-preparing {
    background: #d4edda;
    color: #155724;
}

.badge-ready {
    background: #cce5ff;
    color: #004085;
}

.badge-completed {
    background: #d1ecf1;
    color: #0c5460;
}

.badge-paid {
    background: #d4edda;
    color: #155724;
}

.badge-unpaid {
    background: #f8d7da;
    color: #721c24;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    overflow: auto;
    backdrop-filter: blur(4px);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: var(--bg-paper);
    margin: 5% auto;
    padding: 2rem;
    border-radius: var(--border-radius);
    max-width: 600px;
    box-shadow: var(--shadow-xl);
    animation: slideUp 0.3s ease;
    position: relative;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-header h3 {
    color: var(--primary-color);
}

.close {
    font-size: 2rem;
    font-weight: bold;
    color: #aaa;
    cursor: pointer;
}

.close:hover {
    color: var(--text-color);
}

/* Upload */
.upload-area {
    border: 2px dashed #ddd;
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: rgba(25, 118, 210, 0.05);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.upload-area.dragover {
    border-color: var(--primary-color);
    background: #f0f8f0;
}

.upload-preview {
    margin-top: 1rem;
}

.upload-preview img {
    max-width: 200px;
    max-height: 200px;
    border-radius: 5px;
    margin-top: 1rem;
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: var(--white);
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 3rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--primary-color);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-dropdown {
        width: 100%;
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: rgba(255, 255, 255, 0.1);
        margin: 0;
        padding: 0;
        border: none;
        display: none;
    }

    .nav-dropdown.active .dropdown-menu {
        display: block;
    }

    .dropdown-menu a {
        color: var(--white);
        padding-left: 2.5rem;
    }

    .dropdown-menu a i {
        color: var(--white);
    }

    .menu-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 1rem;
    }

    .order-summary {
        position: relative;
        top: 0;
        margin-top: 2rem;
    }

    .table {
        font-size: 0.9rem;
    }

    .table th,
    .table td {
        padding: 0.5rem;
    }

    .modal-content {
        margin: 10% auto;
        padding: 1.5rem;
        max-width: 90%;
    }

    .page-header h2 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .menu-grid {
        grid-template-columns: 1fr;
    }

    .beverage-options {
        flex-direction: column;
    }

    .option-btn {
        width: 100%;
    }
}

/* Loading */
.loading {
    text-align: center;
    padding: 2rem;
}

.spinner {
    border: 4px solid rgba(25, 118, 210, 0.1);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 0.8s cubic-bezier(0.4, 0, 0.2, 1) infinite;
    margin: 0 auto;
}

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

/* Pulse animation for loading states */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Alert */
.alert {
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 1rem;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}