/* === GLOBAL RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&display=swap');

body {
    background-color: #050b14;
    color: #c9d1d9;
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hidden { display: none !important; }

/* === SCREEN 1: INTRO VIDEO === */
#screen-intro {
    position: fixed;
    inset: 0;
    background: #000;
    display: flex;
    justify-content: center;
    align-items: center;
}

#player-container {
    width: 100%;
    height: 100%;
}

#player {
    width: 100%;
    height: 100%;
    pointer-events: auto; /* Allow direct interaction with YouTube controls */
}

#skip-hint {
    position: absolute;
    bottom: 32px;
    left: 32px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.55);
    letter-spacing: 0.05em;
    animation: pulse 2.5s ease-in-out infinite;
    z-index: 10; /* Ensure hint is above video if needed */
    pointer-events: none; /* Hint doesn't block clicks */
}

#skip-hint kbd {
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 5px;
    padding: 1px 6px;
    font-family: inherit;
    color: #fff;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* === SCREEN 2: SETTINGS / MAIN MENU === */
#screen-settings {
    position: fixed;
    inset: 0;
    background: radial-gradient(ellipse at 50% 100%, #0a1f3a 0%, #050b14 70%);
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Animated bubbles background */
#screen-settings::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 80%, rgba(0, 200, 255, 0.04) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 100, 200, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

#settings-panel {
    background: rgba(10, 25, 47, 0.7);
    border: 1px solid rgba(88, 166, 255, 0.2);
    border-radius: 20px;
    padding: 48px 64px;
    max-width: 520px;
    width: 90%;
    box-shadow:
        0 0 60px rgba(0, 150, 255, 0.08),
        0 0 120px rgba(0, 100, 200, 0.04),
        inset 0 1px 0 rgba(88, 166, 255, 0.1);
    text-align: center;
    backdrop-filter: blur(12px);
}

#settings-logo h1 {
    font-size: 2.4rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    background: linear-gradient(135deg, #58c4ff, #00ffe5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 6px;
}

.subtitle {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 36px;
    letter-spacing: 0.03em;
}

#keybindings h2 {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(88, 166, 255, 0.7);
    margin-bottom: 20px;
}

.binding-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid rgba(88, 166, 255, 0.07);
}

.binding-row:last-child { border-bottom: none; }

.action-label {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 400;
}

.key-btn {
    background: rgba(88, 166, 255, 0.08);
    border: 1px solid rgba(88, 166, 255, 0.3);
    border-radius: 8px;
    color: #58c4ff;
    font-family: 'Outfit', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 6px 16px;
    min-width: 80px;
    cursor: pointer;
    transition: all 0.2s ease;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.key-btn:hover {
    background: rgba(88, 166, 255, 0.18);
    border-color: rgba(88, 196, 255, 0.6);
    box-shadow: 0 0 12px rgba(88, 196, 255, 0.2);
    transform: translateY(-1px);
}

.key-btn.listening {
    background: rgba(255, 200, 50, 0.12);
    border-color: rgba(255, 200, 50, 0.6);
    color: #ffc832;
    animation: btn-pulse 0.6s ease-in-out infinite alternate;
}

@keyframes btn-pulse {
    from { box-shadow: 0 0 8px rgba(255, 200, 50, 0.2); }
    to { box-shadow: 0 0 20px rgba(255, 200, 50, 0.5); }
}

#binding-hint {
    margin-top: 16px;
    font-size: 0.8rem;
    color: rgba(255, 200, 50, 0.8);
    letter-spacing: 0.05em;
}

#start-game-btn {
    margin-top: 36px;
    background: linear-gradient(135deg, #0070e0, #00b8d4);
    border: none;
    border-radius: 12px;
    color: #fff;
    font-family: 'Outfit', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    padding: 14px 40px;
    cursor: pointer;
    letter-spacing: 0.08em;
    width: 100%;
    transition: all 0.25s ease;
    box-shadow: 0 4px 24px rgba(0, 120, 220, 0.35);
}

#start-game-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0, 180, 255, 0.5);
    background: linear-gradient(135deg, #0080ff, #00d4ff);
}

#start-game-btn:active {
    transform: translateY(0px);
}

/* === SCREEN 3: GAME === */
#screen-game {
    position: fixed;
    inset: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #050b14;
}

#gameCanvas {
    /* Fullscreen — no box, no border. The JS resizes the canvas to fill the window. */
    display: block;
}