/* ========================================
   Couples Thing - Romantic Card Game
   Premium Design System
   ======================================== */

/* CSS Variables - Romantic Theme */
:root {
    /* Core Colors */
    --bg-primary: #1a0a0a;
    --bg-secondary: #2d1515;
    --bg-card: rgba(45, 21, 21, 0.9);
    
    /* Accent Colors */
    --rose-gold: #e4a0a0;
    --rose-gold-light: #f5c6c6;
    --rose-gold-dark: #c67878;
    --crimson: #dc143c;
    --crimson-dark: #8b0000;
    --gold: #ffd700;
    --gold-soft: #f0c674;
    
    /* Intensity Colors */
    --sweet-pink: #ff9ecd;
    --romantic-rose: #e75480;
    --spicy-red: #ff3d3d;
    
    /* Text Colors */
    --text-primary: #fff5f5;
    --text-secondary: rgba(255, 245, 245, 0.7);
    --text-muted: rgba(255, 245, 245, 0.5);
    
    /* Effects */
    --glow-soft: 0 0 20px rgba(228, 160, 160, 0.3);
    --glow-strong: 0 0 40px rgba(228, 160, 160, 0.5);
    --glass-bg: rgba(45, 21, 21, 0.7);
    --glass-border: rgba(228, 160, 160, 0.2);
    
    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    
    /* Safe Area Variables for iPhone Notch/Home Bar */
    --safe-top: env(safe-area-inset-top, 20px);
    --safe-bottom: env(safe-area-inset-bottom, 20px);
}

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

html {
    font-size: 16px;
    -webkit-tap-highlight-color: transparent;
    height: 100%;
    overflow: hidden;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    height: 100%;
    height: 100dvh;
    overflow: hidden;
    position: fixed;
    width: 100%;
    overscroll-behavior: none;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(220, 20, 60, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(228, 160, 160, 0.1) 0%, transparent 50%);
}

/* ========================================
   Screen Management - Fixed
   ======================================== */
.screen {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    height: 100dvh;
    overflow: hidden;
    z-index: 10;
    background: var(--bg-primary);
}

.screen.active {
    display: flex;
    flex-direction: column;
    z-index: 20;
    background: var(--bg-primary);
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(220, 20, 60, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(228, 160, 160, 0.1) 0%, transparent 50%);
    animation: fadeIn 0.3s ease-out;
}

/* Allow scrolling inside specific screens if content is long */
.profile-setup-screen, .auth-screen {
    overflow-y: auto; 
    -webkit-overflow-scrolling: touch;
}

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

/* Prevent iOS zoom on focus */
input, select, textarea {
    font-size: 16px !important;
}

/* ========================================
   Auth Screen
   ======================================== */
.auth-screen {
    justify-content: center;
    align-items: center;
    padding: var(--spacing-md);
}

.auth-container {
    width: 100%;
    max-width: 400px;
}

.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.logo-heart {
    font-size: 4rem;
    animation: heartbeat 1.5s infinite;
    margin-bottom: var(--spacing-sm);
}

.logo-text {
    font-family: var(--font-display);
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--rose-gold-light), var(--rose-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.tagline {
    color: var(--text-secondary);
    font-size: 1rem;
}

.auth-forms {
    background: linear-gradient(145deg, var(--bg-secondary), var(--bg-primary));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--glow-soft);
}

.auth-form h2 {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

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

.form-group input {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--rose-gold);
    box-shadow: 0 0 0 3px rgba(228, 160, 160, 0.2);
}

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

.btn-primary {
    width: 100%;
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--crimson), var(--crimson-dark));
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(220, 20, 60, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(220, 20, 60, 0.4);
}

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

.btn-google {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    transition: all 0.3s ease;
}

.btn-google:hover {
    background: var(--bg-secondary);
    border-color: var(--rose-gold);
}

.google-icon {
    width: 24px;
    height: 24px;
    background: white;
    color: #4285f4;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

.divider {
    display: flex;
    align-items: center;
    margin: var(--spacing-md) 0;
    color: var(--text-muted);
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--glass-border);
}

.divider span {
    padding: 0 var(--spacing-sm);
    font-size: 0.85rem;
}

.auth-switch {
    text-align: center;
    margin-top: var(--spacing-md);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.auth-switch a {
    color: var(--rose-gold);
    text-decoration: none;
    font-weight: 500;
}

.auth-switch a:hover {
    text-decoration: underline;
}

.demo-hint {
    text-align: center;
    margin-top: var(--spacing-lg);
}

.demo-hint a {
    color: var(--text-muted);
    font-size: 0.85rem;
    text-decoration: none;
}

.demo-hint a:hover {
    color: var(--rose-gold);
}

.hidden {
    display: none !important;
}

/* ========================================
   Dashboard Screen
   ======================================== */
.dashboard-screen {
    padding: 0;
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
}

.dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: var(--glass-bg);
    border-bottom: 1px solid var(--glass-border);
}

.header-actions {
    display: flex;
    gap: var(--spacing-xs);
}

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

.user-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--rose-gold), var(--rose-gold-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.user-details {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-weight: 600;
    font-size: 1rem;
}

.user-email {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.btn-icon {
    width: 48px;
    height: 48px;
    background: transparent;
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-icon:hover {
    background: var(--glass-bg);
    border-color: var(--rose-gold);
}

.dashboard-content {
    flex: 1;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.section-title {
    font-family: var(--font-display);
    font-size: 1.8rem;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, var(--rose-gold-light), var(--rose-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.room-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    width: 100%;
    max-width: 350px;
}

.room-option-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-lg);
    background: linear-gradient(145deg, var(--bg-secondary), var(--bg-primary));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.room-option-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--glow-soft);
    border-color: var(--rose-gold);
}

.option-icon {
    font-size: 2.5rem;
}

.option-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
}

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

/* ========================================
   Room Screens
   ======================================== */
.room-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: var(--glass-bg);
    border-bottom: 1px solid var(--glass-border);
}

.room-header h2 {
    font-size: 1.1rem;
    font-weight: 500;
}

.btn-back {
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    border-radius: 50%;
    transition: background 0.3s ease;
}

.btn-back:hover {
    background: var(--glass-bg);
}

.room-content {
    flex: 1;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* Create Room Screen */
.room-code-display {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.code-label {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.word-code {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 4px;
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--rose-gold-light);
    background: var(--glass-bg);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 2px solid var(--rose-gold);
    margin-bottom: var(--spacing-md);
    text-shadow: 0 0 20px rgba(228, 160, 160, 0.5);
}

.word-code .separator {
    color: var(--text-muted);
    font-weight: 400;
}

.btn-copy, .btn-share {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.btn-copy:hover, .btn-share:hover {
    background: var(--bg-secondary);
    border-color: var(--rose-gold);
}

.share-options {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
}

.waiting-animation {
    text-align: center;
}

.hearts-float {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    animation: floatHearts 2s infinite;
}

.hearts-float span {
    display: inline-block;
    animation: bounce 0.6s ease infinite;
}

.hearts-float span:nth-child(2) {
    animation-delay: 0.2s;
}

.hearts-float span:nth-child(3) {
    animation-delay: 0.4s;
}

.waiting-animation p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.pulse-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
}

.pulse-dots span {
    width: 10px;
    height: 10px;
    background: var(--rose-gold);
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

.pulse-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.pulse-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

/* Join Room Screen */
.join-form {
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.join-label {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.word-inputs {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
}

.word-input {
    width: 70px;
    padding: var(--spacing-sm);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.85rem;
    text-align: center;
    text-transform: lowercase;
}

.word-input:focus {
    outline: none;
    border-color: var(--rose-gold);
}

.word-inputs .separator {
    color: var(--text-muted);
}

.or-text {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: var(--spacing-sm);
}

.full-code-input {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    text-align: center;
    margin-bottom: var(--spacing-md);
    text-transform: lowercase;
}

.full-code-input:focus {
    outline: none;
    border-color: var(--rose-gold);
}

.btn-join {
    margin-bottom: var(--spacing-sm);
}

.error-message {
    color: var(--spicy-red);
    font-size: 0.9rem;
}

/* ========================================
   Game Screen (Main App)
   ======================================== */
.game-screen {
    height: 100vh;
    height: 100dvh;
}

.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.btn-back-game {
    width: 36px;
    height: 36px;
    background: transparent;
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-back-game:hover {
    background: var(--glass-bg);
}

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

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #666;
}

.status-dot.connected {
    background: #4ade80;
    box-shadow: 0 0 10px rgba(74, 222, 128, 0.5);
}

.intensity-selector {
    display: flex;
    gap: 4px;
    background: var(--bg-primary);
    padding: 4px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
}

.intensity-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 0.6;
}

.intensity-btn:hover {
    opacity: 0.8;
}

.intensity-btn.active {
    opacity: 1;
    background: var(--glass-bg);
}

.intensity-btn[data-intensity="normal"].active {
    background: linear-gradient(135deg, rgba(255, 158, 205, 0.3), rgba(255, 158, 205, 0.1));
    box-shadow: 0 0 15px rgba(255, 158, 205, 0.3);
}

.intensity-btn[data-intensity="romantic"].active {
    background: linear-gradient(135deg, rgba(231, 84, 128, 0.3), rgba(231, 84, 128, 0.1));
    box-shadow: 0 0 15px rgba(231, 84, 128, 0.3);
}

.intensity-btn[data-intensity="dirty"].active {
    background: linear-gradient(135deg, rgba(255, 61, 61, 0.3), rgba(255, 61, 61, 0.1));
    box-shadow: 0 0 15px rgba(255, 61, 61, 0.3);
}

.intensity-icon {
    font-size: 1.2rem;
}

.intensity-label {
    font-size: 0.65rem;
    color: var(--text-primary);
    font-weight: 500;
}

/* Main Card Area */
.main-card-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-md);
    padding-bottom: var(--spacing-lg);
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    z-index: 1;
}

.partner-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--glass-bg);
    border-radius: var(--radius-lg);
    font-size: 0.85rem;
    flex-shrink: 0;
}

.partner-avatar {
    font-size: 1.2rem;
}

.partner-name {
    color: var(--text-secondary);
}

.main-card {
    width: 100%;
    max-width: 220px;
    max-height: 50vh;
    aspect-ratio: 3/4;
    perspective: 1000px;
    flex-shrink: 0;
    object-fit: contain;
}

/* Responsive card sizes based on available height */
@media (min-height: 600px) {
    .main-card {
        max-width: 230px;
    }
}

@media (min-height: 700px) {
    .main-card {
        max-width: 260px;
    }
}

@media (min-height: 800px) {
    .main-card {
        max-width: 300px;
    }
}

@media (min-height: 900px) {
    .main-card {
        max-width: 340px;
    }
}

/* Desktop wider cards */
@media (min-width: 768px) {
    .main-card {
        max-width: 280px;
    }
    
    @media (min-height: 700px) {
        .main-card {
            max-width: 320px;
        }
    }
}

.card-inner {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.6s ease;
}

.card-front {
    width: 100%;
    height: 100%;
    position: absolute;
    backface-visibility: hidden;
    background: linear-gradient(145deg, var(--bg-secondary), var(--bg-primary));
    border: 2px solid var(--rose-gold);
    border-radius: var(--radius-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    box-shadow: 
        var(--glow-soft),
        0 20px 60px rgba(0, 0, 0, 0.4);
    overflow: hidden;
}

/* Card Decorations */
.card-decoration {
    position: absolute;
    width: 60px;
    height: 60px;
    opacity: 0.3;
}

.card-decoration::before,
.card-decoration::after {
    content: '';
    position: absolute;
    background: var(--rose-gold);
}

.card-decoration.top-left {
    top: 15px;
    left: 15px;
}

.card-decoration.top-left::before {
    width: 30px;
    height: 2px;
    top: 0;
    left: 0;
}

.card-decoration.top-left::after {
    width: 2px;
    height: 30px;
    top: 0;
    left: 0;
}

.card-decoration.top-right {
    top: 15px;
    right: 15px;
}

.card-decoration.top-right::before {
    width: 30px;
    height: 2px;
    top: 0;
    right: 0;
}

.card-decoration.top-right::after {
    width: 2px;
    height: 30px;
    top: 0;
    right: 0;
}

.card-decoration.bottom-left {
    bottom: 15px;
    left: 15px;
}

.card-decoration.bottom-left::before {
    width: 30px;
    height: 2px;
    bottom: 0;
    left: 0;
}

.card-decoration.bottom-left::after {
    width: 2px;
    height: 30px;
    bottom: 0;
    left: 0;
}

.card-decoration.bottom-right {
    bottom: 15px;
    right: 15px;
}

.card-decoration.bottom-right::before {
    width: 30px;
    height: 2px;
    bottom: 0;
    right: 0;
}

.card-decoration.bottom-right::after {
    width: 2px;
    height: 30px;
    bottom: 0;
    right: 0;
}

.card-content {
    text-align: center;
    z-index: 1;
}

.card-category {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, var(--rose-gold), var(--rose-gold-dark));
    border-radius: var(--radius-lg);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--bg-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
}

.card-text {
    font-family: var(--font-display);
    font-size: 1.3rem;
    line-height: 1.5;
    color: var(--text-primary);
}

.card-footer {
    position: absolute;
    bottom: var(--spacing-md);
}

.card-number {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Intensity-based card themes */
.main-card.normal .card-front {
    border-color: var(--sweet-pink);
}

.main-card.normal .card-category {
    background: linear-gradient(135deg, var(--sweet-pink), #ff7eb3);
}

.main-card.normal .card-decoration::before,
.main-card.normal .card-decoration::after {
    background: var(--sweet-pink);
}

.main-card.romantic .card-front {
    border-color: var(--romantic-rose);
}

.main-card.romantic .card-category {
    background: linear-gradient(135deg, var(--romantic-rose), #c23b60);
}

.main-card.romantic .card-decoration::before,
.main-card.romantic .card-decoration::after {
    background: var(--romantic-rose);
}

.main-card.dirty .card-front {
    border-color: var(--spicy-red);
}

.main-card.dirty .card-category {
    background: linear-gradient(135deg, var(--spicy-red), #cc0000);
}

.main-card.dirty .card-decoration::before,
.main-card.dirty .card-decoration::after {
    background: var(--spicy-red);
}

/* Push Button */
.push-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--crimson), var(--crimson-dark));
    border: none;
    border-radius: var(--radius-xl);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(220, 20, 60, 0.4);
    flex-shrink: 0;
    z-index: 10;
}

.push-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(220, 20, 60, 0.5);
}

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

.push-icon {
    font-size: 1.5rem;
    animation: heartbeat 1.5s infinite;
}

.push-text {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 1px;
}

.push-glow {
    position: absolute;
    inset: -50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.push-btn:hover .push-glow {
    opacity: 1;
    animation: rotate 3s linear infinite;
}

/* Card Deck Area */
.card-deck-area {
    padding: var(--spacing-md);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--glass-border);
}

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

.deck-title {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.shuffle-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: transparent;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.shuffle-btn:hover {
    background: var(--glass-bg);
    color: var(--text-primary);
    border-color: var(--rose-gold);
}

.card-deck {
    display: flex;
    gap: var(--spacing-sm);
    overflow-x: auto;
    padding: var(--spacing-sm) 0;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.card-deck::-webkit-scrollbar {
    display: none;
}

.deck-card {
    flex-shrink: 0;
    width: 70px;
    height: 95px;
    background: linear-gradient(145deg, var(--bg-secondary), var(--bg-primary));
    border: 1px solid var(--rose-gold);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    scroll-snap-align: start;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.deck-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(228, 160, 160, 0.1) 50%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.deck-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--glow-soft);
}

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

.deck-card.active {
    border-color: var(--gold);
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.4);
    transform: translateY(-8px);
}

.deck-card-number {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--rose-gold);
}

/* Intensity-specific deck cards */
.deck-card.normal {
    border-color: var(--sweet-pink);
}

.deck-card.normal .deck-card-number {
    color: var(--sweet-pink);
}

.deck-card.romantic {
    border-color: var(--romantic-rose);
}

.deck-card.romantic .deck-card-number {
    color: var(--romantic-rose);
}

.deck-card.dirty {
    border-color: var(--spicy-red);
}

.deck-card.dirty .deck-card-number {
    color: var(--spicy-red);
}

/* Card Inbox Button */
.card-inbox-btn {
    position: fixed;
    bottom: 180px;
    right: var(--spacing-md);
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--crimson), var(--crimson-dark));
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(220, 20, 60, 0.4);
    z-index: 50;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-inbox-btn.hidden {
    display: none;
}

.card-inbox-btn:hover {
    transform: scale(1.1);
}

.inbox-count {
    position: absolute;
    top: -4px;
    right: -4px;
    width: 24px;
    height: 24px;
    background: var(--gold);
    color: var(--bg-primary);
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Card Inbox Overlay */
.card-inbox-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 5, 5, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(10px);
    animation: fadeIn 0.5s ease;
    padding: var(--spacing-md);
}

.card-inbox-overlay.hidden {
    display: none;
}

.card-inbox-container {
    width: 100%;
    max-width: 400px;
    text-align: center;
}

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

.inbox-header h3 {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin: 0;
}

.inbox-close-btn {
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

.inbox-cards {
    min-height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.inbox-card {
    background: linear-gradient(145deg, var(--bg-secondary), var(--bg-primary));
    border: 2px solid var(--rose-gold);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    width: 100%;
    position: relative;
    box-shadow: var(--glow-strong);
    animation: cardAppear 0.4s ease;
}

@keyframes cardAppear {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.inbox-card-category {
    display: inline-block;
    padding: 4px 12px;
    background: linear-gradient(135deg, var(--rose-gold), var(--rose-gold-dark));
    border-radius: var(--radius-lg);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--bg-primary);
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
}

.inbox-card-text {
    font-family: var(--font-display);
    font-size: 1.2rem;
    line-height: 1.5;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

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

.inbox-navigation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.inbox-nav-btn {
    padding: 8px 16px;
    background: transparent;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.inbox-nav-btn:hover {
    background: var(--glass-bg);
    color: var(--text-primary);
    border-color: var(--rose-gold);
}

.inbox-nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.inbox-counter {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.inbox-mark-read-btn {
    padding: var(--spacing-md) var(--spacing-xl);
    background: linear-gradient(135deg, var(--rose-gold), var(--rose-gold-dark));
    border: none;
    border-radius: var(--radius-xl);
    color: var(--bg-primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.inbox-mark-read-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(228, 160, 160, 0.4);
}

/* Toast */
.toast {
    position: fixed;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--rose-gold);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.9rem;
    z-index: 2000;
    animation: slideUp 0.3s ease;
}

.toast.hidden {
    display: none;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

/* Animations */
@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; transform: scale(0.8); }
    50% { opacity: 1; transform: scale(1.2); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes floatHearts {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes bounce {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

@keyframes cardAppear {
    from {
        opacity: 0;
        transform: scale(0.8) rotateY(-30deg);
    }
    to {
        opacity: 1;
        transform: scale(1) rotateY(0);
    }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-10px); }
    40% { transform: translateX(10px); }
    60% { transform: translateX(-10px); }
    80% { transform: translateX(10px); }
}

/* Responsive */
@media (max-width: 380px) {
    .intensity-btn {
        padding: var(--spacing-xs);
    }
    
    .intensity-label {
        display: none;
    }
    
    .intensity-icon {
        font-size: 1.4rem;
    }
    
    .card-text {
        font-size: 1.1rem;
    }
    
    .word-code {
        font-size: 1.1rem;
    }
    
    .word-input {
        width: 55px;
        font-size: 0.75rem;
    }
}

@media (min-width: 768px) {
    .main-card {
        max-width: 380px;
    }
    
    .deck-card {
        width: 90px;
        height: 125px;
    }
}

/* Profile Setup Screen */
.profile-setup-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.profile-setup-container {
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.profile-setup-header {
    margin-bottom: var(--spacing-xl);
}

.setup-emoji {
    font-size: 3rem;
    display: block;
    margin-bottom: var(--spacing-md);
}

.profile-setup-header h2 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.profile-setup-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.profile-form {
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
}

.gender-selection, .dob-selection, .name-input {
    margin-bottom: var(--spacing-lg);
}

.gender-selection label,
.dob-selection label,
.name-input label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}

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

.gender-btn {
    flex: 1;
    max-width: 120px;
    padding: var(--spacing-md);
    background: var(--bg-primary);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.gender-btn:hover {
    border-color: var(--rose-gold);
}

.gender-btn.active {
    border-color: var(--rose-gold);
    background: linear-gradient(145deg, rgba(228, 160, 160, 0.2), transparent);
}

.gender-btn[data-gender="she"].active {
    border-color: var(--sweet-pink);
}

.gender-btn[data-gender="he"].active {
    border-color: #6faef0;
}

.gender-icon {
    font-size: 2rem;
}

.gender-btn span:last-child {
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
}

.dob-input {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-primary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: 1rem;
}

.name-input input {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-primary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: 1rem;
    text-align: center;
}

.save-profile-btn {
    width: 100%;
    margin-top: var(--spacing-md);
}

/* Score Bar */
.score-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--glass-bg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-sm);
    flex-shrink: 0;
}

.score-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 50px;
}

.score-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.score-value {
    font-size: 1.5rem;
    font-weight: 700;
}

.she-score .score-value {
    color: var(--sweet-pink);
}

.he-score .score-value {
    color: #6faef0;
}

.score-divider {
    font-size: 1.2rem;
}

/* ========================================
   Mobile Safe Area - iOS/Android gesture bars
   ======================================== */
.profile-setup-container, 
.dashboard-content, 
.auth-container {
    padding-bottom: calc(var(--spacing-lg) + env(safe-area-inset-bottom));
}

/* Ensure screens properly contain content */
.profile-setup-screen,
.dashboard-screen,
.auth-screen {
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

/* Add padding for mobile notches/home bars */
.app-header, .dashboard-header, .room-header {
    padding-top: max(var(--spacing-sm), var(--safe-top));
}

.auth-container, .profile-setup-container {
    width: 90%;
    max-width: 400px;
}

/* Fix Card Size on Small Mobiles (iPhone SE, etc) */
@media (max-height: 700px) {
    .main-card {
        max-width: 180px;
        aspect-ratio: 2.8/4; 
    }
    
    .card-text {
        font-size: 1.1rem;
    }
    
    .logo-heart {
        font-size: 3rem;
    }
    
    .intensity-btn {
        padding: var(--spacing-xs) 8px;
    }
    
    .intensity-label {
        font-size: 0.6rem;
    }
}