/* Project AURA - Regulation Game Styles */

:root {
    --primary-bg: #0a0a1a;
    --secondary-bg: #1a1a2e;
    --accent-glow: #64ffda;
    --accent-warm: #ffd700;
    --accent-calm: #7b68ee;
    --accent-breath: #00d9ff;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --gradient-sky: linear-gradient(180deg, #0a0a1a 0%, #1a1a3e 50%, #2a1a4e 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--primary-bg);
    color: var(--text-primary);
}

/* Screen Management */
.screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    opacity: 0;
    transition: opacity 0.8s ease;
}

.screen.active {
    display: flex;
    opacity: 1;
}

/* Start Screen */
#start-screen {
    background: var(--gradient-sky);
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.start-content {
    text-align: center;
    padding: 2rem;
}

.title {
    font-size: 3rem;
    font-weight: 300;
    letter-spacing: 0.5rem;
    color: var(--accent-glow);
    text-shadow: 0 0 30px var(--accent-glow);
    margin-bottom: 0.5rem;
    animation: titlePulse 4s ease-in-out infinite;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    letter-spacing: 0.2rem;
    margin-bottom: 3rem;
}

.breath-indicator-intro {
    margin: 2rem auto;
}

.breath-circle {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--accent-breath) 0%, transparent 70%);
    animation: breathPulse 4s ease-in-out infinite;
    margin: 0 auto;
}

.intro-text {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.glow-button {
    padding: 1rem 3rem;
    font-size: 1.1rem;
    background: transparent;
    border: 2px solid var(--accent-glow);
    color: var(--accent-glow);
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.1rem;
}

.glow-button:hover, .glow-button:active {
    background: var(--accent-glow);
    color: var(--primary-bg);
    box-shadow: 0 0 30px var(--accent-glow);
}

.mic-notice {
    margin-top: 2rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    opacity: 0.7;
}

/* Loading Screen */
#loading-screen {
    background: var(--primary-bg);
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.loading-content {
    text-align: center;
}

.loading-breath {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid var(--accent-glow);
    border-top-color: transparent;
    animation: spin 1s linear infinite;
    margin: 0 auto 2rem;
}

/* Game Container */
#game-container {
    background: var(--primary-bg);
}

#game-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* HUD */
#hud {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    pointer-events: none;
    z-index: 100;
}

#breath-meter {
    background: rgba(0, 0, 0, 0.5);
    border-radius: 15px;
    padding: 0.8rem 1rem;
    min-width: 120px;
}

.breath-label, .coherence-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1rem;
    margin-bottom: 0.3rem;
}

.breath-bar {
    width: 100px;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

#breath-fill {
    height: 100%;
    width: 50%;
    background: linear-gradient(90deg, var(--accent-breath), var(--accent-glow));
    border-radius: 4px;
    transition: width 0.2s ease, background 0.3s ease;
}

#breath-state {
    font-size: 0.7rem;
    color: var(--accent-breath);
    margin-top: 0.3rem;
}

#coherence-meter {
    background: rgba(0, 0, 0, 0.5);
    border-radius: 15px;
    padding: 0.8rem 1rem;
    text-align: center;
}

.coherence-ring {
    position: relative;
    width: 50px;
    height: 50px;
    margin: 0 auto;
}

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

.coherence-bg {
    fill: none;
    stroke: rgba(255, 255, 255, 0.1);
    stroke-width: 6;
}

.coherence-fill {
    fill: none;
    stroke: var(--accent-glow);
    stroke-width: 6;
    stroke-dasharray: 283;
    stroke-dashoffset: 283;
    stroke-linecap: round;
    transition: stroke-dashoffset 0.5s ease;
}

#coherence-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.9rem;
    font-weight: bold;
    color: var(--accent-glow);
}

#session-timer {
    background: rgba(0, 0, 0, 0.5);
    border-radius: 15px;
    padding: 0.8rem 1rem;
}

#timer-display {
    font-size: 1rem;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
}

/* Touch Controls */
#touch-controls {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40%;
    pointer-events: none;
    z-index: 50;
}

#joystick-zone {
    position: absolute;
    bottom: 2rem;
    left: 2rem;
    pointer-events: auto;
}

#joystick-base {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}

#joystick-thumb {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--accent-glow) 0%, rgba(100, 255, 218, 0.5) 100%);
    box-shadow: 0 0 20px var(--accent-glow);
    transition: transform 0.1s ease;
}

/* Challenge Overlay */
#challenge-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    opacity: 1;
    transition: opacity 0.5s ease;
}

#challenge-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

#challenge-content {
    text-align: center;
    padding: 2rem;
    max-width: 90%;
}

.challenge-title {
    font-size: 1.8rem;
    color: var(--accent-warm);
    margin-bottom: 1rem;
    text-shadow: 0 0 20px var(--accent-warm);
}

.challenge-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

/* Breath Guide */
#breath-guide {
    position: fixed;
    bottom: 30%;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    z-index: 150;
    opacity: 1;
    transition: opacity 0.5s ease;
}

#breath-guide.hidden {
    opacity: 0;
    pointer-events: none;
}

.guide-circle {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 3px solid var(--accent-breath);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    animation: guideExpand 4s ease-in-out infinite;
}

.guide-inner {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent-breath);
    animation: guideInner 4s ease-in-out infinite;
}

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

/* Messages */
#message-display {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.8);
    padding: 1.5rem 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--accent-glow);
    z-index: 250;
    opacity: 1;
    transition: opacity 0.5s ease;
}

#message-display.hidden {
    opacity: 0;
    pointer-events: none;
}

#message-text {
    color: var(--accent-glow);
    font-size: 1.1rem;
    text-align: center;
}

/* End Screen */
#end-screen {
    background: var(--gradient-sky);
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.end-content {
    text-align: center;
    padding: 2rem;
    position: relative;
}

.end-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(100, 255, 218, 0.2) 0%, transparent 70%);
    animation: endGlow 4s ease-in-out infinite;
    pointer-events: none;
}

.final-breath-cycle {
    margin-bottom: 2rem;
}

.final-breath-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 3px solid var(--accent-glow);
    margin: 0 auto;
    animation: finalBreath 6s ease-in-out infinite;
    box-shadow: 0 0 30px var(--accent-glow);
}

.end-title {
    font-size: 2rem;
    color: var(--accent-glow);
    margin-bottom: 0.5rem;
    letter-spacing: 0.2rem;
}

.end-message {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

#session-stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 1.8rem;
    color: var(--accent-warm);
    font-weight: bold;
}

.stat-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1rem;
}

#pneu-sync {
    margin-bottom: 2rem;
    color: var(--accent-glow);
    font-size: 0.9rem;
    opacity: 1;
    transition: opacity 0.5s ease;
}

#pneu-sync.hidden {
    opacity: 0;
}

/* Animations */
@keyframes titlePulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

@keyframes breathPulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.3); opacity: 1; }
}

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

@keyframes guideExpand {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.3); }
}

@keyframes guideInner {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(0.5); opacity: 0.5; }
}

@keyframes endGlow {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.8; }
}

@keyframes finalBreath {
    0%, 100% { transform: scale(1); }
    40% { transform: scale(1.2); }
    60% { transform: scale(1.2); }
}

/* Crystal Challenge Specific */
.crystal-container {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin: 2rem 0;
}

.crystal {
    width: 60px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent-calm) 0%, #4a3f8a 100%);
    clip-path: polygon(50% 0%, 100% 30%, 100% 70%, 50% 100%, 0% 70%, 0% 30%);
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 0.5;
}

.crystal.active {
    opacity: 1;
    box-shadow: 0 0 30px var(--accent-calm);
    transform: scale(1.1);
}

.crystal.synced {
    background: linear-gradient(135deg, var(--accent-glow) 0%, #3a9a8a 100%);
    box-shadow: 0 0 40px var(--accent-glow);
}

/* Light Animal */
.light-animal {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--accent-warm) 0%, rgba(255, 215, 0, 0.3) 70%);
    margin: 2rem auto;
    transition: all 1s ease;
    box-shadow: 0 0 40px var(--accent-warm);
}

.light-animal.distant {
    transform: scale(0.3);
    opacity: 0.3;
}

.light-animal.approaching {
    transform: scale(0.6);
    opacity: 0.6;
}

.light-animal.close {
    transform: scale(1);
    opacity: 1;
}

/* Wind Bridge */
.wind-bridge {
    width: 200px;
    height: 20px;
    background: linear-gradient(90deg, transparent, var(--accent-breath), transparent);
    margin: 2rem auto;
    border-radius: 10px;
    opacity: 0.3;
    transition: all 0.5s ease;
}

.wind-bridge.forming {
    opacity: 0.6;
    box-shadow: 0 0 20px var(--accent-breath);
}

.wind-bridge.solid {
    opacity: 1;
    box-shadow: 0 0 40px var(--accent-glow);
    background: linear-gradient(90deg, transparent, var(--accent-glow), transparent);
}

/* Progress Bar for challenges */
.challenge-progress {
    width: 200px;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    margin: 1rem auto;
    overflow: hidden;
}

.challenge-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-breath), var(--accent-glow));
    border-radius: 4px;
    transition: width 0.3s ease;
    width: 0%;
}

/* Responsive */
@media (max-width: 480px) {
    .title {
        font-size: 2.2rem;
        letter-spacing: 0.3rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    #hud {
        padding: 0.5rem;
    }
    
    #breath-meter, #coherence-meter, #session-timer {
        padding: 0.5rem 0.8rem;
    }
    
    .breath-bar {
        width: 80px;
    }
    
    #joystick-base {
        width: 100px;
        height: 100px;
    }
    
    #joystick-thumb {
        width: 40px;
        height: 40px;
    }
    
    #session-stats {
        gap: 1rem;
    }
    
    .stat-value {
        font-size: 1.4rem;
    }
}

/* Dysregulated state */
.dysregulated #breath-fill {
    background: linear-gradient(90deg, #ff6b6b, #ffa500);
}

.dysregulated #breath-state {
    color: #ff6b6b;
}

/* Calm state */
.calm #breath-fill {
    background: linear-gradient(90deg, var(--accent-glow), #00ff88);
}

.calm #breath-state {
    color: var(--accent-glow);
}