/* ============================================
   Decompress — End of Day Unwinding
   Sunset, calm, peaceful aesthetic
   ============================================ */

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

:root {
    --bg-dusk: #1e1b4b;
    --bg-twilight: #312e81;
    --sunset-orange: #fb923c;
    --sunset-pink: #f472b6;
    --sunset-purple: #a78bfa;
    --night-blue: #3730a3;
    --moon-glow: rgba(251, 191, 36, 0.3);
    --text-primary: #e0e7ff;
    --text-secondary: #a5b4fc;
    --text-muted: #6366f1;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    --transition: 0.3s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', sans-serif;
    background: var(--bg-dusk);
    color: var(--text-primary);
    min-height: 100vh;
    overflow: hidden;
}

.game-container {
    width: 100%;
    height: 100vh;
    position: relative;
    overflow: hidden;
}

/* Background */
.bg-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, 
        var(--bg-twilight) 0%, 
        var(--night-blue) 40%,
        var(--bg-dusk) 100%);
    transition: background 2s ease;
}

.sun {
    position: absolute;
    bottom: 30%;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 80px;
    background: linear-gradient(180deg, var(--sunset-orange) 0%, var(--sunset-pink) 100%);
    border-radius: 50%;
    box-shadow: 0 0 60px var(--sunset-orange);
    transition: bottom 3s ease, opacity 3s ease;
}

.sun.setting {
    bottom: 10%;
    opacity: 0.5;
}

.sun.set {
    bottom: -5%;
    opacity: 0;
}

.horizon {
    position: absolute;
    bottom: 25%;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--sunset-purple), transparent);
    opacity: 0.5;
}

/* Navigation */
.game-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
}

.back-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 1.5rem;
    opacity: 0.7;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.05);
    border-radius: var(--radius-full);
}

.progress-dots {
    display: flex;
    gap: 8px;
}

.dot {
    width: 8px;
    height: 8px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    transition: all var(--transition);
}

.dot.active {
    background: var(--sunset-purple);
    box-shadow: 0 0 10px var(--sunset-purple);
}

.dot.complete {
    background: var(--sunset-pink);
}

/* Screens */
.screen {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
    z-index: 10;
    padding: 20px;
}

.screen.active {
    opacity: 1;
    visibility: visible;
}

/* Title Screen */
.title-content {
    text-align: center;
    max-width: 320px;
}

.sunset-icon {
    position: relative;
    width: 100px;
    height: 60px;
    margin: 0 auto 25px;
}

.sun-glow {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 25px;
    background: linear-gradient(180deg, var(--sunset-orange) 0%, transparent 100%);
    border-radius: 50px 50px 0 0;
}

.horizon-line {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--sunset-purple);
}

.title {
    font-size: 3rem;
    font-weight: 300;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
    color: var(--sunset-purple);
}

.tagline {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 40px;
}

.start-btn {
    background: linear-gradient(135deg, var(--sunset-purple) 0%, var(--sunset-pink) 100%);
    color: white;
    border: none;
    padding: 16px 48px;
    border-radius: var(--radius-full);
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    margin-bottom: 16px;
}

.start-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 40px rgba(167, 139, 250, 0.4);
}

.time-note {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Phase Screens Common */
.phase-num {
    width: 40px;
    height: 40px;
    background: var(--sunset-purple);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0 auto 15px;
}

.phase-title {
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 10px;
    color: var(--sunset-purple);
}

.phase-desc {
    color: var(--text-secondary);
    margin-bottom: 25px;
}

/* Acknowledge Screen */
.acknowledge-content {
    text-align: center;
    max-width: 360px;
    width: 100%;
}

.carry-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.carry-btn {
    background: rgba(255,255,255,0.05);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    padding: 16px;
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.carry-btn:hover {
    border-color: var(--sunset-purple);
}

.carry-btn.selected {
    border-color: var(--sunset-pink);
    background: rgba(244, 114, 182, 0.15);
}

.carry-icon {
    font-size: 1.8rem;
}

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

.carry-note {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.continue-btn {
    background: var(--sunset-purple);
    color: white;
    border: none;
    padding: 14px 40px;
    border-radius: var(--radius-full);
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition);
}

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

.continue-btn:hover:not(:disabled) {
    transform: scale(1.02);
}

/* Release Screen */
.release-content {
    text-align: center;
    max-width: 320px;
}

.release-visual {
    margin: 30px 0;
}

.release-circle {
    width: 180px;
    height: 180px;
    margin: 0 auto;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.release-ring {
    position: absolute;
    inset: 0;
    border: 3px solid var(--sunset-purple);
    border-radius: 50%;
    opacity: 0.5;
    transition: all 0.5s ease;
}

.release-circle.inhale .release-ring {
    transform: scale(1.2);
    opacity: 1;
}

.release-circle.exhale .release-ring {
    transform: scale(0.8);
    opacity: 0.6;
}

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

.sigh-counter {
    font-size: 1rem;
    color: var(--text-muted);
}

.sigh-counter span {
    color: var(--sunset-pink);
    font-size: 1.3rem;
    font-weight: 500;
}

/* Body Release Screen */
.body-content {
    text-align: center;
    max-width: 320px;
}

.body-visual {
    margin: 30px 0;
}

.body-part {
    width: 100px;
    height: 100px;
    margin: 0 auto;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.body-part.active {
    background: rgba(167, 139, 250, 0.2);
    box-shadow: 0 0 30px rgba(167, 139, 250, 0.3);
}

.part-emoji {
    font-size: 3rem;
}

.body-instruction {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.tap-btn {
    background: transparent;
    border: 2px solid var(--sunset-purple);
    color: var(--sunset-purple);
    padding: 14px 40px;
    border-radius: var(--radius-full);
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition);
}

.tap-btn:hover {
    background: var(--sunset-purple);
    color: white;
}

/* Transition Screen */
.transition-content {
    text-align: center;
    max-width: 320px;
}

.transition-visual {
    margin: 30px 0;
}

.door-frame {
    width: 100px;
    height: 150px;
    margin: 0 auto;
    background: rgba(255,255,255,0.05);
    border-radius: var(--radius-md);
    padding: 8px;
    position: relative;
}

.door {
    width: 100%;
    height: 100%;
    background: var(--sunset-purple);
    border-radius: var(--radius-sm);
    position: relative;
    transition: transform 0.5s ease;
    transform-origin: left center;
    transform-style: preserve-3d;
}

.door.closed {
    transform: perspective(400px) rotateY(-80deg);
}

.door-handle {
    position: absolute;
    right: 10px;
    top: 50%;
    width: 8px;
    height: 16px;
    background: var(--sunset-pink);
    border-radius: 4px;
}

.transition-prompt {
    color: var(--text-muted);
    margin-bottom: 20px;
}

/* Arrive Screen */
.arrive-content {
    text-align: center;
    max-width: 320px;
}

.arrive-visual {
    margin: 30px 0;
}

.present-circle {
    width: 150px;
    height: 150px;
    margin: 0 auto;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.present-ring {
    position: absolute;
    border: 2px solid var(--sunset-purple);
    border-radius: 50%;
    animation: present-pulse 3s ease-in-out infinite;
}

.present-ring.r1 {
    inset: 0;
}

.present-ring.r2 {
    inset: 20px;
    animation-delay: 0.5s;
}

@keyframes present-pulse {
    0%, 100% { opacity: 0.4; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.05); }
}

.present-core {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--sunset-pink);
    text-transform: uppercase;
    letter-spacing: 0.2em;
}

.arrive-text {
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.arrive-counter {
    font-size: 1rem;
    color: var(--text-muted);
}

.arrive-counter span {
    color: var(--sunset-pink);
    font-size: 1.3rem;
    font-weight: 500;
}

/* Complete Screen */
.complete-content {
    text-align: center;
    max-width: 340px;
}

.complete-icon {
    margin-bottom: 20px;
}

.moon {
    font-size: 4rem;
}

.complete-title {
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 15px;
    color: var(--sunset-purple);
}

.complete-message {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 25px;
}

.intention-box {
    background: rgba(255,255,255,0.05);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 25px;
}

.intention-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 15px;
}

.intention-options {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.intention-btn {
    background: transparent;
    border: 1px solid var(--sunset-purple);
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition);
}

.intention-btn:hover {
    background: rgba(167, 139, 250, 0.2);
}

.intention-btn.selected {
    background: var(--sunset-purple);
    color: white;
}

.btn-primary {
    background: linear-gradient(135deg, var(--sunset-purple) 0%, var(--sunset-pink) 100%);
    color: white;
    border: none;
    padding: 16px 40px;
    border-radius: var(--radius-full);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
}

.btn-primary:hover {
    transform: scale(1.02);
}

/* Responsive */
@media (max-width: 380px) {
    .title {
        font-size: 2.5rem;
    }
    
    .carry-options {
        gap: 8px;
    }
    
    .carry-btn {
        padding: 12px;
    }
}