:root {
    --accent: #00f2ff;
    --accent-dim: rgba(0, 242, 255, 0.4);
    --bg-dark: #020408;
    --panel-bg: rgba(10, 15, 25, 0.6);
    --border: rgba(255, 255, 255, 0.1);
    --font-main: 'Outfit', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

html, body {
    margin: 0;
    padding: 0;
    width: 100vw;
    height: 100dvh; /* Dynamic Viewport Height per evitar les barres negres al mòbil */
    background: var(--bg-dark);
    color: #fff;
    font-family: var(--font-main);
    overflow: hidden;
    position: fixed; /* Evita scrolls accidentals de pàgina */
    inset: 0;
    touch-action: none; /* Deixa el control total a Cesium */
}

/* Subtle Vignette for depth, no scanlines */
body::after {
    content: "";
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at center, transparent 30%, rgba(0,0,0,0.6) 100%);
    pointer-events: none;
    z-index: 50;
}

#cesiumContainer {
    width: 100%;
    height: 100%;
}

/* Compact Mission Header */
#hud-header {
    position: absolute;
    top: 20px;
    left: 20px;
    z-index: 100;
    pointer-events: none;
}

/* Pro Mission Info Badge */
.mission-info {
    background: rgba(10, 15, 25, 0.7);
    padding: 8px 14px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    backdrop-filter: blur(20px);
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    box-shadow: inset 0 0 10px rgba(0, 242, 255, 0.05); /* Subtle cyber glow */
}

.mission-logo {
    height: 24px;
    object-fit: contain;
    padding-right: 12px;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.mission-text {
    display: flex;
    flex-direction: column;
}

.mission-text h1 {
    margin: 0;
    font-size: 0.8rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: #fff;
    line-height: 1.2;
}

.mission-text p {
    margin: 2px 0 0 0;
    font-size: 0.5rem;
    opacity: 0.5;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Toggleable Control Panel */
#control-panel {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 280px;
    background: var(--panel-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    backdrop-filter: blur(25px);
    z-index: 100;
    padding: 20px;
    pointer-events: auto;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

#control-panel.hidden {
    transform: translateX(320px);
    opacity: 0;
    pointer-events: none;
}

.panel-section {
    margin-bottom: 20px;
}

.panel-label {
    font-size: 0.6rem;
    color: var(--accent);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.panel-label::after {
    content: '';
    height: 1px;
    flex-grow: 1;
    background: var(--border);
}

.control-row {
    margin-bottom: 12px;
}

.control-row label {
    display: flex;
    justify-content: space-between;
    font-size: 0.7rem;
    margin-bottom: 6px;
    color: rgba(255,255,255,0.6);
}

.control-row span.val {
    color: #fff;
    font-family: var(--font-mono);
}

select {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: #fff;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.75rem;
    cursor: pointer;
    outline: none;
}

input[type="range"] {
    width: 100%;
    appearance: none;
    background: rgba(255, 255, 255, 0.1);
    height: 2px;
    border-radius: 1px;
}

input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 10px;
    height: 10px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-dim);
}

.nav-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: rgba(255, 255, 255, 0.7);
    padding: 6px;
    border-radius: 4px;
    font-size: 0.6rem;
    cursor: pointer;
    font-family: var(--font-mono);
    text-transform: uppercase;
    transition: 0.2s;
}

.nav-btn:hover {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
}

/* Ultra-Compact Timeline */
#timeline-hud {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    max-width: 800px;
    background: var(--panel-bg);
    padding: 8px 18px;
    border-radius: 8px;
    border: 1px solid var(--border);
    backdrop-filter: blur(20px);
    z-index: 100;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

#play-btn {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    background: var(--accent);
    border: none;
    color: #000;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.2s;
    flex-shrink: 0;
}

#play-btn svg {
    width: 14px;
    height: 14px;
}

.slider-box {
    flex-grow: 1;
}

input[type="range"] {
    width: 100%;
    appearance: none;
    background: rgba(255, 255, 255, 0.05);
    height: 1px;
    border-radius: 1px;
}

input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
}

.time-readout {
    min-width: 120px;
    text-align: right;
    border-left: 1px solid var(--border);
    padding-left: 15px;
}

#time-val {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    display: block;
    line-height: 1;
}

#date-val {
    font-size: 0.5rem;
    opacity: 0.4;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 2px;
    display: block;
}

/* Toggle Button */
#menu-toggle {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 36px;
    height: 36px;
    background: var(--panel-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: #fff;
    cursor: pointer;
    z-index: 101;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

/* Loading HUD */
#loading-screen {
    position: fixed;
    inset: 0;
    background: var(--bg-dark);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.loader-box {
    width: 120px;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.loader-bar {
    width: 30%;
    height: 100%;
    background: var(--accent);
    position: absolute;
    animation: loadMove 1.5s infinite;
}

@keyframes loadMove {
    0% { left: -30%; }
    100% { left: 130%; }
}

.cesium-viewer-bottom {
    display: none !important;
}

/* Tile Downloading HUD */
#tile-status {
    margin-top: 6px;
    background: rgba(0, 242, 255, 0.05);
    border: 1px solid var(--accent-dim);
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 0.55rem;
    color: var(--accent);
    font-family: var(--font-mono);
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: 1px;
    backdrop-filter: blur(10px);
    transition: opacity 0.3s;
}

#tile-status.hidden {
    opacity: 0;
    pointer-events: none;
}

.pulse-dot {
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 1s infinite alternate;
}

@keyframes pulse {
    0% { opacity: 0.3; transform: scale(0.8); }
    100% { opacity: 1; transform: scale(1.2); box-shadow: 0 0 8px var(--accent); }
}

/* --- MOBILE RESPONSIVENESS --- */
@media (max-width: 768px) {
    #hud-header {
        top: 15px;
        left: 15px;
        right: 15px; /* Take full width on mobile or align center */
    }

    .mission-info {
        padding: 8px 12px;
        gap: 10px;
    }

    .mission-logo {
        height: 24px;
        padding-right: 10px;
    }

    .mission-text h1 {
        font-size: 0.7rem;
        letter-spacing: 1px;
    }

    .mission-text p {
        font-size: 0.45rem;
    }

    #control-panel {
        top: 85px;
        bottom: auto;
        left: 20px;
        right: 20px;
        width: auto;
        max-height: 70vh;
        overflow-y: auto;
        transform: translateX(0);
    }

    #control-panel.hidden {
        transform: translateX(120%);
    }

    #menu-toggle {
        top: 15px;
        right: 15px;
        background: var(--accent);
        color: #000;
    }

    #timeline-hud {
        bottom: 35px; /* Deixem el marge demanat */
        top: auto;
        width: calc(100% - 40px);
        left: 20px;
        transform: none;
        padding: 10px 14px;
        gap: 12px;
        background: rgba(10, 15, 25, 0.85); /* Mes opac perquè es vegi bé sobre el mapa */
    }

    #play-btn {
        width: 32px;
        height: 32px;
    }

    .time-readout {
        min-width: 80px;
        padding-left: 10px;
    }

    #time-val {
        font-size: 0.85rem;
    }

    #date-val {
        display: none; /* Hide date on small screens to save space */
    }

    .mission-info {
        pointer-events: none; /* Let clicks pass to map on mobile info bar */
    }
}