/* ==================== Variables ==================== */
:root {
    --primary: #00f5ff;
    --primary-dim: rgba(0, 245, 255, 0.5);
    --secondary: #ff00ff;
    --secondary-dim: rgba(255, 0, 255, 0.5);
    --accent: #ff0066;
    --success: #00ff88;
    --warning: #ffaa00;
    --danger: #ff3366;
    --bg-dark: #0a0a1a;
    --bg-darker: #050510;
    --text: #ffffff;
    --text-dim: rgba(255, 255, 255, 0.6);
    --glass: rgba(10, 10, 30, 0.8);
    --glass-border: rgba(0, 245, 255, 0.2);
    
    --font-display: 'Orbitron', monospace;
    --font-body: 'Rajdhani', sans-serif;
}

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

html, body {
    overflow: hidden;
    background: var(--bg-dark);
    font-family: var(--font-body);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ==================== Loading Screen ==================== */
#loading-screen {
    position: fixed;
    inset: 0;
    background: linear-gradient(135deg, var(--bg-dark) 0%, #1a0a2e 50%, #0a1a2e 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

#loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loading-logo {
    position: relative;
    width: 120px;
    height: 120px;
    margin-bottom: 2rem;
}

.logo-ring {
    position: absolute;
    inset: 0;
    border: 2px solid transparent;
    border-radius: 50%;
}

.logo-ring:nth-child(1) {
    border-top-color: var(--primary);
    animation: spin 2s linear infinite;
}

.logo-ring:nth-child(2) {
    inset: 15px;
    border-right-color: var(--secondary);
    animation: spin 1.5s linear infinite reverse;
}

.logo-ring:nth-child(3) {
    inset: 30px;
    border-bottom-color: var(--accent);
    animation: spin 1s linear infinite;
}

.logo-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--primary);
    text-shadow: 0 0 20px var(--primary);
}

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

.loading-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 5vw, 3rem);
    font-weight: 900;
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--primary));
    background-size: 200% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientFlow 3s linear infinite;
    letter-spacing: 0.3rem;
}

.loading-subtitle {
    font-size: 1rem;
    color: var(--text-dim);
    margin-top: 0.5rem;
    letter-spacing: 0.5rem;
}

@keyframes gradientFlow {
    0% { background-position: 0% 50%; }
    100% { background-position: 200% 50%; }
}

.loading-container {
    width: min(300px, 80vw);
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    margin-top: 3rem;
    position: relative;
    overflow: hidden;
}

.loading-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    width: 0%;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 2px;
    position: relative;
}

.loading-glow {
    position: absolute;
    top: -10px;
    left: 0;
    width: 100%;
    height: 24px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    opacity: 0.3;
    animation: glowMove 2s linear infinite;
}

@keyframes glowMove {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.loading-text {
    color: var(--primary);
    margin-top: 1.5rem;
    font-size: 0.9rem;
    letter-spacing: 0.2rem;
    font-family: var(--font-display);
}

.loading-steps {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.step {
    font-size: 0.75rem;
    color: var(--text-dim);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s ease;
}

.step.active {
    color: var(--primary);
}

.step.done {
    color: var(--success);
}

.step-icon {
    font-size: 0.6rem;
    transition: transform 0.3s ease;
}

.step.active .step-icon {
    animation: pulse 0.5s ease infinite;
}

.step.done .step-icon::before {
    content: '◆';
}

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

.loading-hint {
    margin-top: 3rem;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    opacity: 0.7;
}

.hint-item {
    font-size: 0.85rem;
    color: var(--text-dim);
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

/* ==================== Video & Canvas ==================== */
#video {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scaleX(-1);
    z-index: 1;
}

#skeleton-canvas {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 5;
}

#game-canvas {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10;
}

/* ==================== Debug Panel ==================== */
.debug-panel {
    position: fixed;
    top: 100px;
    left: 20px;
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 12px 16px;
    z-index: 500;
    font-family: var(--font-body);
    font-size: 0.75rem;
    backdrop-filter: blur(10px);
    min-width: 180px;
}

.debug-title {
    font-family: var(--font-display);
    font-size: 0.7rem;
    color: var(--primary);
    margin-bottom: 10px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--glass-border);
    letter-spacing: 0.1rem;
}

.debug-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 6px 0;
    gap: 10px;
}

.debug-label {
    color: var(--text-dim);
}

.debug-value {
    color: var(--text);
    font-family: var(--font-display);
    font-size: 0.7rem;
}

.debug-value.success {
    color: var(--success);
}

.debug-value.error {
    color: var(--danger);
}

/* ==================== HUD Panels ==================== */
.hud {
    position: fixed;
    z-index: 100;
    pointer-events: none;
}

.hud-top-left {
    top: 20px;
    left: 20px;
}

.hud-top-right {
    top: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: flex-end;
}

.panel {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    padding: 12px 20px;
    position: relative;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    clip-path: polygon(0 0, calc(100% - 15px) 0, 100% 15px, 100% 100%, 15px 100%, 0 calc(100% - 15px));
}

.panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

.panel::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--secondary-dim), transparent);
}

.panel-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.3rem;
}

.panel-icon {
    color: var(--primary);
    font-size: 0.7rem;
}

.panel-title {
    font-family: var(--font-display);
    font-size: 0.65rem;
    color: var(--primary);
    letter-spacing: 0.2rem;
}

.panel-value {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text);
    text-shadow: 0 0 10px var(--primary);
    transition: transform 0.1s ease;
}

.panel-value.pop {
    transform: scale(1.2);
}

.combo-panel .panel-value {
    color: var(--secondary);
    text-shadow: 0 0 10px var(--secondary);
}

.accuracy-panel .panel-value {
    font-size: 1.2rem;
}

/* ==================== Crosshair ==================== */
.crosshair {
    position: fixed;
    width: 80px;
    height: 80px;
    pointer-events: none;
    z-index: 200;
    transform: translate(-50%, -50%);
    transition: width 0.15s ease, height 0.15s ease;
}

.crosshair.locked {
    width: 70px;
    height: 70px;
}

.crosshair-svg {
    width: 100%;
    height: 100%;
    overflow: visible;
}

.crosshair-ring-outer {
    fill: none;
    stroke: var(--primary);
    stroke-width: 1;
    opacity: 0.5;
    animation: rotateRing 4s linear infinite;
    transform-origin: center;
}

.crosshair-ring-inner {
    fill: none;
    stroke: var(--primary);
    stroke-width: 2;
    stroke-dasharray: 10 5;
    animation: rotateRing 3s linear infinite reverse;
    transform-origin: center;
}

.crosshair.locked .crosshair-ring-outer,
.crosshair.locked .crosshair-ring-inner {
    stroke: var(--accent);
}

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

.crosshair-dot {
    fill: var(--primary);
    filter: drop-shadow(0 0 5px var(--primary));
}

.crosshair.locked .crosshair-dot {
    fill: var(--accent);
    filter: drop-shadow(0 0 8px var(--accent));
    animation: pulseDot 0.3s ease infinite;
}

@keyframes pulseDot {
    0%, 100% { r: 3; }
    50% { r: 5; }
}

.crosshair-line {
    stroke: var(--primary);
    stroke-width: 2;
    filter: drop-shadow(0 0 3px var(--primary));
}

.crosshair.locked .crosshair-line {
    stroke: var(--accent);
    filter: drop-shadow(0 0 5px var(--accent));
}

.crosshair-bracket {
    fill: none;
    stroke: var(--primary);
    stroke-width: 2;
    opacity: 0.7;
    transition: all 0.15s ease;
}

.crosshair.locked .crosshair-bracket {
    stroke: var(--accent);
    opacity: 1;
}

.crosshair-lock-indicator {
    position: absolute;
    bottom: -25px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-display);
    font-size: 0.6rem;
    color: var(--accent);
    letter-spacing: 0.2rem;
    opacity: 0;
    transition: opacity 0.15s ease;
    text-shadow: 0 0 10px var(--accent);
}

.crosshair.locked .crosshair-lock-indicator {
    opacity: 1;
}

/* ==================== Gesture Indicator ==================== */
.gesture-indicator {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--glass);
    padding: 12px 24px;
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 100;
}

.gesture-hand {
    width: 40px;
    height: 40px;
}

.hand-svg {
    width: 100%;
    height: 100%;
}

.hand-path {
    fill: none;
    stroke: var(--text-dim);
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: stroke 0.3s ease;
}

.gesture-indicator.active .hand-path {
    stroke: var(--primary);
    filter: drop-shadow(0 0 5px var(--primary));
}

.gesture-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.gesture-status {
    font-family: var(--font-display);
    font-size: 0.8rem;
    color: var(--text);
    letter-spacing: 0.1rem;
}

.gesture-hint {
    font-size: 0.7rem;
    color: var(--text-dim);
}

.gesture-power {
    width: 60px;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

.power-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: width 0.2s ease;
    border-radius: 3px;
}

/* ==================== Hit Streak ==================== */
.hit-streak {
    position: fixed;
    top: 50%;
    right: 30px;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
    z-index: 100;
}

.hit-streak.visible {
    opacity: 1;
}

.streak-count {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 900;
    color: var(--warning);
    text-shadow: 0 0 30px var(--warning);
    line-height: 1;
}

.streak-label {
    font-family: var(--font-display);
    font-size: 0.8rem;
    color: var(--warning);
    letter-spacing: 0.3rem;
}

/* ==================== Float Text Effects ==================== */
.float-text {
    position: fixed;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 900;
    pointer-events: none;
    z-index: 300;
    animation: floatUp 1s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.float-text.hit {
    color: var(--success);
    text-shadow: 0 0 20px var(--success), 0 0 40px var(--success);
}

.float-text.miss {
    color: var(--danger);
    text-shadow: 0 0 20px var(--danger);
}

.float-text.perfect {
    color: var(--warning);
    text-shadow: 0 0 30px var(--warning), 0 0 60px var(--warning);
    font-size: 3rem;
}

@keyframes floatUp {
    0% {
        opacity: 1;
        transform: translate(-50%, 0) scale(0.5);
    }
    30% {
        opacity: 1;
        transform: translate(-50%, -20px) scale(1.3);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -100px) scale(1);
    }
}

/* ==================== Muzzle Flash ==================== */
.muzzle-flash {
    position: fixed;
    width: 150px;
    height: 150px;
    pointer-events: none;
    z-index: 250;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, rgba(255, 220, 100, 0.9) 0%, rgba(255, 150, 50, 0.5) 30%, rgba(255, 100, 50, 0.2) 50%, transparent 70%);
    animation: flashOut 0.15s ease-out forwards;
}

@keyframes flashOut {
    0% { 
        opacity: 1; 
        transform: translate(-50%, -50%) scale(0.3) rotate(0deg); 
    }
    50% {
        opacity: 0.8;
        transform: translate(-50%, -50%) scale(1) rotate(90deg);
    }
    100% { 
        opacity: 0; 
        transform: translate(-50%, -50%) scale(1.5) rotate(180deg); 
    }
}

/* ==================== Screen Flash ==================== */
.screen-flash {
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at var(--flash-x, 50%) var(--flash-y, 50%), rgba(255, 255, 255, 0.15) 0%, transparent 50%);
    pointer-events: none;
    z-index: 150;
    animation: screenFlash 0.15s ease-out forwards;
}

@keyframes screenFlash {
    0% { opacity: 1; }
    100% { opacity: 0; }
}

/* ==================== Corner Decorations ==================== */
.corner-decor {
    position: fixed;
    width: 80px;
    height: 80px;
    color: var(--primary-dim);
    pointer-events: none;
    z-index: 50;
}

.corner-decor.top-left { top: 10px; left: 10px; }
.corner-decor.top-right { top: 10px; right: 10px; transform: scaleX(-1); }
.corner-decor.bottom-left { bottom: 10px; left: 10px; transform: scaleY(-1); }
.corner-decor.bottom-right { bottom: 10px; right: 10px; transform: scale(-1); }

.corner-decor svg {
    width: 100%;
    height: 100%;
}

/* ==================== Scan Lines ==================== */
.scan-lines {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 60;
    background: repeating-linear-gradient(
        0deg,
        transparent 0px,
        transparent 2px,
        rgba(0, 0, 0, 0.03) 2px,
        rgba(0, 0, 0, 0.03) 4px
    );
}

/* ==================== Vignette ==================== */
.vignette {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 55;
    background: radial-gradient(ellipse at center, transparent 50%, rgba(0, 0, 0, 0.4) 100%);
}

/* ==================== Responsive ==================== */
@media (max-width: 768px) {
    .loading-title {
        letter-spacing: 0.15rem;
    }
    
    .loading-steps {
        gap: 1rem;
    }
    
    .panel {
        padding: 8px 14px;
    }
    
    .panel-value {
        font-size: 1.4rem;
    }
    
    .crosshair {
        width: 60px;
        height: 60px;
    }
    
    .gesture-indicator {
        padding: 10px 18px;
        gap: 0.8rem;
    }
    
    .streak-count {
        font-size: 3rem;
    }
}

@media (max-width: 480px) {
    .hud-top-left, .hud-top-right {
        top: 10px;
    }
    
    .hud-top-left {
        left: 10px;
    }
    
    .hud-top-right {
        right: 10px;
    }
    
    .gesture-indicator {
        bottom: 15px;
    }
}