/* ============================================
   CHOICEPAL - PLAYFUL MOBILE-FIRST DESIGN
   ============================================ */

/* CSS Variables - Playful Toy-like Palette */
:root {
    /* Primary Colors */
    --coral: #FF6B5B;
    --coral-dark: #E85A4A;
    --coral-light: #FF8A7D;
    
    /* Secondary Colors */
    --mint: #4ECDC4;
    --mint-dark: #3DBDB4;
    --mint-light: #6ED9D1;
    
    /* Accent Colors */
    --lemon: #FFE66D;
    --lemon-dark: #F5D85A;
    --lavender: #A8A4FF;
    --pink: #FF8FB1;
    
    /* Neutrals */
    --ink: #1A1A2E;
    --ink-light: #4A4A6A;
    --cloud: #F7F7FA;
    --white: #FFFFFF;
    
    /* Typography */
    --font-display: 'Fredoka', sans-serif;
    --font-body: 'DM Sans', sans-serif;
    --tracking-tight: -0.04em;
    --tracking-normal: -0.02em;
    
    /* Spacing */
    --safe-top: env(safe-area-inset-top, 20px);
    --safe-bottom: env(safe-area-inset-bottom, 20px);
    --safe-left: env(safe-area-inset-left, 0px);
    --safe-right: env(safe-area-inset-right, 0px);
    
    /* Animation */
    --bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
    --smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-weight: 500;
    letter-spacing: var(--tracking-normal);
    color: var(--ink);
    background: var(--cloud);
    min-height: 100vh;
    min-height: 100dvh;
    overflow-x: hidden;
    line-height: 1.5;
}

/* App Container - Native App Feel */
.app {
    position: fixed;
    inset: 0;
    overflow: hidden;
    background: var(--cloud);
}

/* Screen Management */
.screen {
    position: absolute;
    inset: 0;
    display: none;
    flex-direction: column;
    z-index: 1;
    padding: var(--safe-top) var(--safe-right) var(--safe-bottom) var(--safe-left);
}

.screen.active {
    display: flex;
    animation: screenEnter 0.4s var(--bounce);
}

@keyframes screenEnter {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.screen-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 24px;
    max-width: 480px;
    margin: 0 auto;
    width: 100%;
}

.screen-content.center {
    justify-content: center;
    align-items: center;
    text-align: center;
}

/* Logo & Branding */
.logo-container {
    text-align: center;
    margin-bottom: 48px;
    margin-top: 40px;
}

.logo-icon {
    width: 88px;
    height: 88px;
    background: var(--coral);
    border-radius: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 
        0 8px 32px rgba(255, 107, 91, 0.3),
        inset 0 -4px 0 rgba(0,0,0,0.1);
    animation: logoBounce 2s var(--bounce) infinite;
}

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

.logo-svg {
    width: 52px;
    height: 52px;
}

.app-title {
    font-family: var(--font-display);
    font-size: 42px;
    font-weight: 700;
    letter-spacing: var(--tracking-tight);
    color: var(--ink);
    margin-bottom: 8px;
}

.app-tagline {
    font-size: 16px;
    color: var(--ink-light);
    letter-spacing: var(--tracking-normal);
}

/* Typography */
.screen-title {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 700;
    letter-spacing: var(--tracking-tight);
    color: var(--ink);
    margin-bottom: 8px;
}

.screen-subtitle {
    font-size: 16px;
    color: var(--ink-light);
    margin-bottom: 40px;
}

.results-title {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    letter-spacing: var(--tracking-tight);
    text-align: center;
    color: var(--ink);
}

/* Input Groups */
.input-group {
    margin-bottom: 24px;
}

.input-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--ink-light);
    margin-bottom: 10px;
    padding-left: 4px;
}

.api-link {
    float: right;
    font-size: 11px;
    font-weight: 500;
    text-transform: none;
    letter-spacing: 0;
    color: var(--coral);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

input[type="text"],
input[type="password"] {
    width: 100%;
    padding: 18px 20px;
    font-family: var(--font-body);
    font-size: 17px;
    font-weight: 500;
    letter-spacing: var(--tracking-normal);
    color: var(--ink);
    background: var(--white);
    border: 2px solid transparent;
    border-radius: 18px;
    outline: none;
    transition: all 0.2s var(--smooth);
    box-shadow: 
        0 2px 8px rgba(0,0,0,0.04),
        0 0 0 1px rgba(0,0,0,0.02);
}

input::placeholder {
    color: #B8B8C8;
}

input:focus {
    border-color: var(--coral);
    box-shadow: 
        0 0 0 4px rgba(255, 107, 91, 0.1),
        0 4px 16px rgba(255, 107, 91, 0.1);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 18px 32px;
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    letter-spacing: var(--tracking-tight);
    color: var(--white);
    background: var(--coral);
    border: none;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s var(--bounce);
    box-shadow: 
        0 6px 20px rgba(255, 107, 91, 0.35),
        inset 0 -3px 0 rgba(0,0,0,0.1);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255,255,255,0.15) 0%, transparent 100%);
    pointer-events: none;
}

.btn:active {
    transform: scale(0.96) translateY(2px);
    box-shadow: 
        0 2px 10px rgba(255, 107, 91, 0.3),
        inset 0 -1px 0 rgba(0,0,0,0.1);
}

.btn-large {
    width: 100%;
    padding: 20px 32px;
    font-size: 19px;
}

.btn-secondary {
    background: var(--mint);
    box-shadow: 
        0 6px 20px rgba(78, 205, 196, 0.35),
        inset 0 -3px 0 rgba(0,0,0,0.1);
}

.btn-secondary:active {
    box-shadow: 
        0 2px 10px rgba(78, 205, 196, 0.3),
        inset 0 -1px 0 rgba(0,0,0,0.1);
}

.btn-icon-svg {
    width: 20px;
    height: 20px;
    transition: transform 0.2s var(--bounce);
}

.btn:hover .btn-icon-svg {
    transform: translateX(4px);
}

.btn-secondary:hover .btn-icon-svg {
    transform: rotate(180deg);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.action-bottom {
    margin-top: auto;
    padding-top: 24px;
    padding-bottom: 8px;
}

/* Game Header */
.game-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px 16px;
    background: linear-gradient(180deg, rgba(247,247,250,0) 0%, rgba(247,247,250,0) 100%);
}

.player-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: var(--white);
    border-radius: 50px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    transition: all 0.3s ease;
}

.player-badge.player-2 {
    background: var(--mint);
    color: white;
}

.player-badge.player-2 .player-name {
    color: white;
}

.player-badge.player-2 .player-icon {
    stroke: white;
}

.player-icon {
    width: 20px;
    height: 20px;
    stroke: var(--ink);
}

.player-name {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 600;
    letter-spacing: var(--tracking-tight);
    color: var(--ink);
}

.progress-dots {
    display: flex;
    gap: 6px;
}

.progress-dot {
    width: 8px;
    height: 8px;
    background: #DDE0E8;
    border-radius: 50%;
    transition: all 0.3s var(--bounce);
}

.progress-dot.active {
    background: var(--coral);
    transform: scale(1.2);
}

.progress-dot.completed {
    background: var(--mint);
}

/* Cards Container */
.cards-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 16px;
    padding: 0 24px;
    position: relative;
}

/* Choice Cards */
.choice-card {
    position: relative;
    background: var(--white);
    border-radius: 28px;
    padding: 36px 28px;
    cursor: pointer;
    transition: all 0.25s var(--bounce);
    box-shadow: 
        0 4px 20px rgba(0,0,0,0.06),
        0 0 0 1px rgba(0,0,0,0.02);
    overflow: hidden;
    min-height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.choice-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 28px;
    padding: 3px;
    background: linear-gradient(135deg, var(--coral), var(--pink));
    -webkit-mask: 
        linear-gradient(#fff 0 0) content-box, 
        linear-gradient(#fff 0 0);
    mask: 
        linear-gradient(#fff 0 0) content-box, 
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.choice-card:hover::before,
.choice-card:active::before {
    opacity: 1;
}

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

.card-text {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 600;
    letter-spacing: var(--tracking-tight);
    color: var(--ink);
    line-height: 1.3;
}

.card-shine {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        105deg,
        transparent 40%,
        rgba(255,255,255,0.4) 50%,
        transparent 60%
    );
    transform: translateX(-100%);
    transition: transform 0s;
}

.choice-card:hover .card-shine {
    transform: translateX(100%);
    transition: transform 0.6s ease;
}

.choice-card:active {
    transform: scale(0.97);
}

.choice-card.selected {
    transform: scale(0.95);
}

/* Player 1 uses Coral */
.cards-container.player-1 .choice-card.selected {
    background: var(--coral);
}

/* Player 2 uses Mint */
.cards-container.player-2 .choice-card.selected {
    background: var(--mint);
}

.choice-card.selected .card-text {
    color: var(--white);
}

/* OR Divider */
.or-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.or-text {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: var(--tracking-tight);
    color: var(--ink-light);
    background: var(--cloud);
    padding: 8px 16px;
    border-radius: 50px;
    position: relative;
    z-index: 1;
}

.or-divider::before {
    content: '';
    position: absolute;
    left: 24px;
    right: 24px;
    height: 1px;
    background: linear-gradient(90deg, transparent, #DDE0E8, transparent);
}

/* Swipe Hint */
.swipe-hint {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 20px;
    opacity: 0.6;
}

.hint-icon-svg {
    width: 20px;
    height: 20px;
    stroke: var(--ink-light);
    animation: tapHint 1.5s ease-in-out infinite;
}

@keyframes tapHint {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

.hint-text {
    font-size: 14px;
    font-weight: 500;
    color: var(--ink-light);
}

/* Pass Screen */
.pass-animation {
    position: relative;
    width: 120px;
    height: 160px;
    margin-bottom: 32px;
}

.phone-mockup {
    width: 80px;
    height: 140px;
    background: var(--ink);
    border-radius: 16px;
    position: absolute;
    left: 20px;
    animation: phonePass 1.5s ease-in-out infinite;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.phone-screen {
    position: absolute;
    inset: 6px;
    background: var(--coral);
    border-radius: 10px;
}

.hand-icon {
    width: 48px;
    height: 48px;
    position: absolute;
    right: 0;
    bottom: 0;
    animation: handWave 1.5s ease-in-out infinite;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.1));
}

@keyframes phonePass {
    0%, 100% { transform: translateX(0) rotate(0); }
    50% { transform: translateX(10px) rotate(5deg); }
}

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

/* Results Screen */
.results-header {
    padding: 40px 24px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.score-circle {
    position: relative;
    width: 160px;
    height: 160px;
    margin-bottom: 24px;
}

.score-ring {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.score-ring-bg {
    fill: none;
    stroke: #E8E8F0;
    stroke-width: 10;
}

.score-ring-progress {
    fill: none;
    stroke: url(#scoreGradient);
    stroke-width: 10;
    stroke-linecap: round;
    stroke-dasharray: 339.292;
    stroke-dashoffset: 339.292;
    transition: stroke-dashoffset 1.5s var(--bounce);
}

.score-content {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.score-percent {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 700;
    letter-spacing: var(--tracking-tight);
    color: var(--ink);
    line-height: 1;
}

.score-label {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ink-light);
    margin-top: 4px;
}

/* Choices Comparison */
.choices-scroll {
    flex: 1;
    overflow-y: auto;
    padding: 0 24px;
    -webkit-overflow-scrolling: touch;
}

.choices-comparison-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-bottom: 24px;
}

.comparison-card {
    background: var(--white);
    border-radius: 20px;
    padding: 20px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
    animation: cardSlideIn 0.4s var(--bounce) backwards;
}

.comparison-card:nth-child(1) { animation-delay: 0.1s; }
.comparison-card:nth-child(2) { animation-delay: 0.15s; }
.comparison-card:nth-child(3) { animation-delay: 0.2s; }
.comparison-card:nth-child(4) { animation-delay: 0.25s; }
.comparison-card:nth-child(5) { animation-delay: 0.3s; }

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

.comparison-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.comparison-question {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 600;
    letter-spacing: var(--tracking-tight);
    color: var(--ink-light);
}

.match-badge {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 4px 10px;
    border-radius: 20px;
}

.match-badge.match {
    background: rgba(78, 205, 196, 0.15);
    color: var(--mint-dark);
}

.match-badge.mismatch {
    background: rgba(255, 107, 91, 0.1);
    color: var(--coral);
}

.choices-row {
    display: flex;
    gap: 12px;
}

.choice-pill {
    flex: 1;
    padding: 14px;
    background: var(--cloud);
    border-radius: 14px;
    text-align: center;
}

.choice-pill.selected {
    background: var(--coral);
    color: var(--white);
}

.choice-pill.match {
    background: var(--mint);
    color: var(--white);
}

.choice-player {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ink-light);
    margin-bottom: 4px;
    opacity: 0.7;
}

.choice-pill.selected .choice-player,
.choice-pill.match .choice-player {
    color: rgba(255,255,255,0.8);
}

.choice-value {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 600;
    letter-spacing: var(--tracking-tight);
}

/* Loading State */
.btn.loading .btn-text::after {
    content: '...';
    animation: loadingDots 1.5s steps(4, end) infinite;
}

@keyframes loadingDots {
    0% { content: ''; }
    25% { content: '.'; }
    50% { content: '..'; }
    75% { content: '...'; }
    100% { content: ''; }
}

/* Utility Classes */
.hidden {
    display: none !important;
}

/* SVG Gradient Definition */
svg defs {
    position: absolute;
    width: 0;
    height: 0;
}

/* Scrollbar Styling */
.choices-scroll::-webkit-scrollbar {
    width: 4px;
}

.choices-scroll::-webkit-scrollbar-track {
    background: transparent;
}

.choices-scroll::-webkit-scrollbar-thumb {
    background: #DDE0E8;
    border-radius: 2px;
}

/* Desktop Adaptations */
@media (min-width: 768px) {
    .app {
        position: relative;
        max-width: 480px;
        margin: 0 auto;
        min-height: 100vh;
        box-shadow: 0 0 60px rgba(0,0,0,0.1);
    }
    
    body {
        background: linear-gradient(135deg, #E8E8F0 0%, #F0F0F5 100%);
    }
    
    .screen {
        position: absolute;
    }
    
    .bg-decoration {
        position: absolute;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --ink: #F7F7FA;
        --ink-light: #A0A0B8;
        --cloud: #0F0F1A;
        --white: #1A1A2E;
    }
    
    .choice-card,
    .comparison-card,
    .player-badge {
        background: #252538;
    }
    
    input {
        background: #252538;
        color: var(--ink);
    }
    
    input::placeholder {
        color: #606080;
    }
    
    .or-text {
        background: var(--cloud);
    }
    
    .choice-pill {
        background: #252538;
    }
}