/* =====================================================
   ÖğrenciYemek — Tasarım Sistemi
   Dark mode, Glassmorphism, Micro-animations
   ===================================================== */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* --- CSS Custom Properties --- */
:root {
    /* Colors */
    --bg-primary: #07070f;
    --bg-secondary: #0e0e1a;
    --bg-card: rgba(255, 255, 255, 0.04);
    --bg-card-hover: rgba(255, 255, 255, 0.08);
    --bg-glass: rgba(255, 255, 255, 0.06);
    --bg-glass-strong: rgba(255, 255, 255, 0.1);

    --text-primary: #f1f1f5;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;

    --accent-orange: #f97316;
    --accent-orange-glow: rgba(249, 115, 22, 0.3);
    --accent-green: #22c55e;
    --accent-green-glow: rgba(34, 197, 94, 0.2);
    --accent-blue: #3b82f6;
    --accent-purple: #a855f7;
    --accent-red: #ef4444;
    --accent-yellow: #eab308;
    --accent-cyan: #06b6d4;

    --gradient-main: linear-gradient(135deg, #f97316, #fb923c, #f59e0b);
    --gradient-green: linear-gradient(135deg, #22c55e, #16a34a);
    --gradient-blue: linear-gradient(135deg, #3b82f6, #2563eb);
    --gradient-purple: linear-gradient(135deg, #a855f7, #7c3aed);
    --gradient-dark: linear-gradient(180deg, #0e0e1a 0%, #07070f 100%);

    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(249, 115, 22, 0.3);

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

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px var(--accent-orange-glow);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100dvh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Background ambient glow */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(ellipse at 20% 50%, rgba(249, 115, 22, 0.06) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 20%, rgba(34, 197, 94, 0.04) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 100%, rgba(59, 130, 246, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* --- App Container --- */
#app {
    position: relative;
    z-index: 1;
    max-width: 480px;
    margin: 0 auto;
    min-height: 100dvh;
    padding-bottom: env(safe-area-inset-bottom, 20px);
}

/* --- Screens --- */
.screen {
    display: none;
    padding: var(--space-lg);
    animation: screenSlideIn 0.3s ease-out forwards;
}

.screen.active {
    display: block;
}

@keyframes screenSlideIn {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* === ONBOARDING === */
#onboarding-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100dvh;
    text-align: center;
    padding: var(--space-xl);
}

.onboarding-logo {
    font-size: 4rem;
    margin-bottom: var(--space-md);
    animation: logoFloat 3s ease-in-out infinite;
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.onboarding-title {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-sm);
}

.onboarding-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--space-2xl);
    max-width: 300px;
}

.onboarding-step {
    display: none;
    width: 100%;
    max-width: 360px;
    animation: stepSlide 0.3s ease-out;
}

.onboarding-step.active {
    display: block;
}

@keyframes stepSlide {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.step-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-orange);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: var(--space-md);
}

.select-wrapper {
    position: relative;
    margin-bottom: var(--space-lg);
}

.select-wrapper select {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-glass);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    appearance: none;
    cursor: pointer;
    transition: var(--transition-base);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.select-wrapper select:focus {
    outline: none;
    border-color: var(--accent-orange);
    box-shadow: 0 0 0 3px var(--accent-orange-glow);
}

.select-wrapper::after {
    content: '▾';
    position: absolute;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    pointer-events: none;
    font-size: 1.1rem;
}

.select-wrapper select option {
    background: #1a1a2e;
    color: var(--text-primary);
    padding: 10px;
}

/* Search input in select panels */
.search-input-wrapper {
    position: relative;
    margin-bottom: var(--space-md);
}

.search-input-wrapper input {
    width: 100%;
    padding: 12px 18px 12px 44px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-glass);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition-base);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.search-input-wrapper input:focus {
    outline: none;
    border-color: var(--accent-orange);
    box-shadow: 0 0 0 3px var(--accent-orange-glow);
}

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

.search-input-wrapper .search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1.1rem;
    pointer-events: none;
}

/* Scrollable list for onboarding */
.select-list {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.select-list::-webkit-scrollbar {
    width: 4px;
}

.select-list::-webkit-scrollbar-track {
    background: transparent;
}

.select-list::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-full);
}

.select-list-item {
    padding: 12px 18px;
    cursor: pointer;
    transition: var(--transition-fast);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.95rem;
}

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

.select-list-item:hover {
    background: var(--bg-card-hover);
}

.select-list-item.selected {
    background: rgba(249, 115, 22, 0.15);
    color: var(--accent-orange);
    font-weight: 600;
}

.select-list-item.hidden {
    display: none;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 14px 28px;
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0);
    transition: var(--transition-fast);
}

.btn:hover::after {
    background: rgba(255, 255, 255, 0.1);
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: var(--gradient-main);
    color: #fff;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    box-shadow: 0 0 30px var(--accent-orange-glow);
}

.btn-primary:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    box-shadow: none;
}

.btn-primary:disabled:hover::after {
    background: transparent;
}

.btn-secondary {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    border-color: var(--accent-orange);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    padding: 8px 16px;
    font-size: 0.9rem;
}

.btn-ghost:hover {
    color: var(--text-primary);
}

.btn-full {
    width: 100%;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
}

/* === HOME SCREEN === */
.home-header {
    margin-bottom: var(--space-xl);
    padding-top: var(--space-lg);
}

.home-greeting {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}

.home-title {
    font-size: 1.75rem;
    font-weight: 800;
    line-height: 1.2;
}

.home-title span {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.settings-btn {
    position: absolute;
    top: var(--space-xl);
    right: var(--space-lg);
    width: 42px;
    height: 42px;
    border-radius: var(--radius-full);
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-base);
    font-size: 1.2rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.settings-btn:hover {
    color: var(--accent-orange);
    border-color: var(--accent-orange);
    transform: rotate(30deg);
}

/* Quick Info Banner */
.quick-info {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-md) var(--space-lg);
    margin-bottom: var(--space-xl);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.quick-info-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.quick-info-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.quick-info-text strong {
    color: var(--text-primary);
}

/* --- Menu Cards Grid --- */
.menu-grid {
    display: grid;
    gap: var(--space-md);
}

.menu-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    cursor: pointer;
    transition: var(--transition-base);
    overflow: hidden;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.menu-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    opacity: 0;
    transition: var(--transition-base);
}

.menu-card:hover {
    border-color: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.menu-card:hover::before {
    opacity: 1;
}

.menu-card:active {
    transform: translateY(0) scale(0.98);
}

/* Card accent colors */
.menu-card[data-accent="orange"]::before { background: var(--gradient-main); }
.menu-card[data-accent="green"]::before { background: var(--gradient-green); }
.menu-card[data-accent="blue"]::before { background: var(--gradient-blue); }
.menu-card[data-accent="purple"]::before { background: var(--gradient-purple); }
.menu-card[data-accent="cyan"]::before { background: linear-gradient(135deg, #06b6d4, #0891b2); }

.menu-card-inner {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.menu-card-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    flex-shrink: 0;
}

.menu-card[data-accent="orange"] .menu-card-icon { background: rgba(249, 115, 22, 0.15); }
.menu-card[data-accent="green"] .menu-card-icon { background: rgba(34, 197, 94, 0.15); }
.menu-card[data-accent="blue"] .menu-card-icon { background: rgba(59, 130, 246, 0.15); }
.menu-card[data-accent="purple"] .menu-card-icon { background: rgba(168, 85, 247, 0.15); }
.menu-card[data-accent="cyan"] .menu-card-icon { background: rgba(6, 182, 212, 0.15); }

.menu-card-content {
    flex: 1;
    min-width: 0;
}

.menu-card-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 2px;
}

.menu-card-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.menu-card-arrow {
    color: var(--text-muted);
    font-size: 1.1rem;
    flex-shrink: 0;
    transition: var(--transition-base);
}

.menu-card:hover .menu-card-arrow {
    color: var(--text-primary);
    transform: translateX(3px);
}

/* === SUB-SCREENS === */
/* Back Header */
.sub-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    padding-top: var(--space-md);
}

.back-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-base);
    font-size: 1.1rem;
    flex-shrink: 0;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.back-btn:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-orange);
}

.sub-header-title {
    font-size: 1.2rem;
    font-weight: 700;
}

/* --- University Cards --- */
.uni-filter-tabs {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    overflow-x: auto;
    padding-bottom: var(--space-sm);
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.uni-filter-tabs::-webkit-scrollbar {
    display: none;
}

.filter-tab {
    padding: 8px 18px;
    border-radius: var(--radius-full);
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-base);
    white-space: nowrap;
    font-family: inherit;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.filter-tab:hover {
    border-color: var(--accent-orange);
    color: var(--text-primary);
}

.filter-tab.active {
    background: var(--accent-orange);
    border-color: var(--accent-orange);
    color: #fff;
}

.uni-list {
    display: grid;
    gap: var(--space-sm);
}

.uni-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    cursor: pointer;
    transition: var(--transition-base);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.uni-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
    background: var(--bg-card-hover);
    transform: translateX(4px);
}

.uni-card.highlighted {
    border-color: var(--accent-orange);
    background: rgba(249, 115, 22, 0.08);
}

.uni-card.highlighted::after {
    content: 'Senin üniversiten';
    position: absolute;
    top: -8px;
    right: 12px;
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--accent-orange);
    background: var(--bg-primary);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.uni-card {
    position: relative;
}

.uni-card-icon {
    font-size: 1.3rem;
    flex-shrink: 0;
}

.uni-card-info {
    flex: 1;
    min-width: 0;
}

.uni-card-name {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.uni-card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 600;
}

.status-badge.available {
    background: rgba(34, 197, 94, 0.15);
    color: var(--accent-green);
}

.status-badge.limited {
    background: rgba(234, 179, 8, 0.15);
    color: var(--accent-yellow);
}

.status-badge.unavailable {
    background: rgba(239, 68, 68, 0.12);
    color: var(--accent-red);
}

.uni-card-arrow {
    color: var(--text-muted);
    flex-shrink: 0;
    transition: var(--transition-base);
}

.uni-card:hover .uni-card-arrow {
    color: var(--text-primary);
    transform: translateX(3px);
}

/* === GENÇLIK SOFRASI === */
.info-hero {
    text-align: center;
    padding: var(--space-xl) var(--space-md);
    margin-bottom: var(--space-xl);
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.info-hero-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
    display: block;
}

.info-hero-title {
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: var(--space-sm);
}

.info-hero-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.info-hero .time-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    background: rgba(249, 115, 22, 0.12);
    color: var(--accent-orange);
    font-weight: 600;
    font-size: 0.85rem;
    margin-top: var(--space-md);
}

.section-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: var(--space-md);
}

.location-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    transition: var(--transition-base);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.location-card:hover {
    border-color: rgba(255, 255, 255, 0.12);
}

.location-card-icon {
    font-size: 1.2rem;
    margin-top: 2px;
    flex-shrink: 0;
}

.location-card-name {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.location-card-address {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* === MILLET KÜTÜPHANESİ === */
.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-md);
    text-align: center;
    transition: var(--transition-base);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.service-card:hover {
    border-color: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
}

.service-card-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
    display: block;
}

.service-card-name {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.service-card-hours {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    background: rgba(34, 197, 94, 0.12);
    color: var(--accent-green);
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: var(--space-sm);
}

.service-card-schedule {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
}

.service-card-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* === KYK === */
.kyk-selected {
    text-align: center;
    padding: var(--space-2xl) var(--space-lg);
}

.kyk-selected-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
    display: block;
}

.kyk-selected-name {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    color: var(--accent-orange);
}

.kyk-menu-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.kyk-menu-placeholder {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.kyk-menu-placeholder-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: var(--space-md);
}

/* === SETTINGS MODAL === */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 100;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    animation: modalFadeIn 0.2s ease-out;
}

.modal-overlay.active {
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

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

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    padding: var(--space-xl);
    width: 100%;
    max-width: 480px;
    max-height: 85vh;
    overflow-y: auto;
    animation: modalSlideUp 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

.modal-handle {
    width: 40px;
    height: 4px;
    background: var(--border-color);
    border-radius: var(--radius-full);
    margin: 0 auto var(--space-lg);
}

.modal-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: var(--space-lg);
    text-align: center;
}

.modal-field {
    margin-bottom: var(--space-lg);
}

.modal-field-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-sm);
}

.modal-field-value {
    padding: 12px 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
}

.modal-actions {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-xl);
}

/* === IFRAME SCREEN === */
.iframe-container {
    width: 100%;
    height: calc(100dvh - 80px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.iframe-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* === UTILITY === */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

/* Divider */
.divider {
    height: 1px;
    background: var(--border-color);
    margin: var(--space-xl) 0;
}

/* --- Scrollbar (global) --- */
::-webkit-scrollbar {
    width: 4px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
}

/* --- PWA Install Banner --- */
.install-banner {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 480px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--space-md) var(--space-lg);
    display: none;
    align-items: center;
    gap: var(--space-md);
    z-index: 50;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.install-banner.show {
    display: flex;
}

.install-banner-text {
    flex: 1;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.install-banner-text strong {
    color: var(--text-primary);
    display: block;
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: var(--space-2xl);
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: var(--space-md);
    opacity: 0.5;
}

/* Link button styling */
.link-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent-orange);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-base);
    background: none;
    border: none;
    font-family: inherit;
    padding: 0;
}

.link-btn:hover {
    color: #fb923c;
}

/* === RESPONSIVE === */
@media (min-width: 481px) {
    #app {
        border-left: 1px solid var(--border-color);
        border-right: 1px solid var(--border-color);
    }
}

@media (max-width: 360px) {
    .screen {
        padding: var(--space-md);
    }

    .menu-card {
        padding: var(--space-md);
    }

    .onboarding-title {
        font-size: 1.6rem;
    }
}