/* style.css - Gliese Delay Planetary Acoustics Lab Stylesheet */

/* --- Custom Variables & Theme --- */
:root {
    /* Hue triad (Xyh default fallback: amber / aqua / bluish-purple), expressed in OKLCH */
    --gold:      oklch(0.74 0.14  78);
    --ember:     oklch(0.58 0.19  35);
    --phos:      oklch(0.76 0.15 172);
    --violet:    oklch(0.64 0.16 305);
    --lime:      oklch(0.80 0.19 132);

    /* Base surfaces — hue-tinted near-black, never pure */
    --bg-dark:       oklch(0.11 0.020 300);
    --bg-panel:      oklch(0.15 0.020 172);
    --bg-panel-dark: oklch(0.105 0.018 172);
    --bg-deck:       oklch(0.13 0.020 300);
    --border-glow:       oklch(0.42 0.055 172 / 0.30);
    --border-glow-focus: oklch(0.68 0.11  172 / 0.75);

    /* Accent colors — app.js reads these var names directly for canvas draws, keep names stable */
    --clr-cyan:       var(--phos);
    --clr-cyan-glow:  oklch(0.76 0.15 172 / 0.22);
    --clr-lime:       var(--lime);
    --clr-lime-glow:  oklch(0.80 0.19 132 / 0.22);
    --clr-amber:      var(--gold);
    --clr-amber-glow: oklch(0.74 0.14 78 / 0.22);
    --clr-purple:     var(--violet);
    --clr-purple-glow:oklch(0.64 0.16 305 / 0.22);
    --clr-coral:      var(--ember);
    --clr-coral-glow: oklch(0.58 0.19 35 / 0.28);

    /* Text */
    --text-main:  oklch(0.90 0.025 172);
    --text-muted: oklch(0.60 0.025 172);
    --text-dim:   oklch(0.42 0.02  300);

    /* Fonts — body legible (Averia per fallback), display/mono wild */
    --font-body: 'Averia Sans Libre', 'Space Grotesk', system-ui, -apple-system, sans-serif;
    --font-mono: 'Share Tech Mono', 'Courier New', monospace;
    --font-display: 'Syne Mono', monospace;
}

/* --- Base Setup --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    min-height: 100vh;
    overflow-x: hidden;
    overflow-y: auto;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    background-image:
        radial-gradient(at 8% 15%, oklch(0.30 0.09 305 / 0.35) 0px, transparent 55%),
        radial-gradient(at 92% 85%, oklch(0.28 0.09 172 / 0.28) 0px, transparent 55%),
        radial-gradient(at 60% 100%, oklch(0.24 0.08 35 / 0.14) 0px, transparent 60%);
    position: relative;
}

/* Faint organic grain — keeps the field from reading as flat corporate vector art */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 500;
    opacity: 0.05;
    mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* --- Kiosk Frame (Scrollable Dashboard) --- */
.kiosk-frame {
    display: flex;
    flex-direction: column;
    width: 100vw;
    max-width: 1440px;
    min-height: 100vh;
    padding: 14px;
    gap: 10px;
}

/* --- Header / Corporate Costume --- */
/* Alien-corporate-drag: the bar is straight, the suit fits — but it never quite closes the corner */
.lab-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-panel-dark);
    border: 1px solid var(--border-glow);
    border-radius: 4px 16px 4px 16px;
    padding: 10px 22px;
    height: 46px;
    position: relative;
    box-shadow: inset 0 0 14px oklch(0 0 0 / 0.55);
    overflow: hidden;
}

.lab-header::after {
    content: '◈';
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--violet);
    opacity: 0.35;
    font-size: 13px;
    pointer-events: none;
}

.logo-box {
    display: flex;
    align-items: baseline;
    gap: 10px;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 19px;
    font-weight: bold;
    color: var(--phos);
    letter-spacing: 3px;
    text-shadow: 0 0 10px var(--clr-cyan-glow);
}

.tag-sub {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

.organic-status {
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-indicator {
    width: 7px;
    height: 7px;
    background-color: var(--lime);
    border-radius: 50%;
    box-shadow: 0 0 7px var(--lime);
}

.status-readout {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--lime);
    letter-spacing: 0.06em;
}

/* --- Cockpit Layout (asymmetric — the lattice is broken here on purpose) --- */
.cockpit-grid {
    display: grid;
    grid-template-columns: 268px 1fr 322px;
    gap: 10px;
    min-height: 520px;
    flex-grow: 1;
}

/* --- Panels: two organs of different character flanking a shared organism --- */
.control-panel {
    background: var(--bg-panel);
    border: 1px solid var(--border-glow);
    padding: 16px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
    box-shadow: 0 10px 30px oklch(0 0 0 / 0.45), inset 0 1px 0 oklch(1 0 0 / 0.04);
}

.panel-left  { border-radius: 26px 10px 30px 14px; }
.panel-right { border-radius: 12px 24px 12px 30px; }

.control-panel::-webkit-scrollbar { width: 5px; }
.control-panel::-webkit-scrollbar-track { background: transparent; }
.control-panel::-webkit-scrollbar-thumb {
    background: var(--border-glow);
    border-radius: 10px;
}
.control-panel::-webkit-scrollbar-thumb:hover { background: var(--border-glow-focus); }

.panel-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 2px;
}

.panel-icon {
    font-size: 17px;
    color: var(--phos);
    text-shadow: 0 0 6px var(--clr-cyan-glow);
}

.control-panel h2 {
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: 1.5px;
}

.panel-divider {
    border: none;
    height: 1px;
    background: repeating-linear-gradient(90deg,
        var(--border-glow) 0px, var(--border-glow) 3px,
        transparent 3px, transparent 9px);
    opacity: 0.7;
    margin: 2px 0;
}

/* --- Control Groups & Sliders --- */
.control-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.control-row-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

.control-group label {
    font-size: 11.5px;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.02em;
}

.numeric-display {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--lime);
    background: var(--bg-panel-dark);
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid var(--border-glow);
}

.slider-helper {
    font-size: 9.5px;
    color: var(--text-dim);
    margin-top: 0;
}

.tempo-sync-panel {
    display: flex;
    flex-direction: column;
    gap: 7px;
    padding: 8px;
    background: var(--bg-panel-dark);
    border: 1px solid var(--border-glow);
    border-radius: 4px 14px 4px 14px;
}

.tempo-sync-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 72px;
    align-items: center;
    gap: 8px;
}

.tempo-sync-header label {
    font-size: 11.5px;
    color: var(--text-muted);
    font-weight: 500;
}

.tempo-sync-header input[type="number"] {
    width: 100%;
    min-width: 0;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--lime);
    background: var(--bg-panel);
    border: 1px solid var(--border-glow);
    border-radius: 4px;
    padding: 3px 5px;
    outline: none;
}

.tempo-sync-header input[type="number"]:focus {
    border-color: var(--border-glow-focus);
}

.tempo-note-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 5px;
}

.tempo-note-btn {
    min-width: 0;
    font-family: var(--font-mono);
    font-size: 9.5px;
    font-weight: 700;
    color: var(--text-main);
    background: linear-gradient(180deg, oklch(0.19 0.02 172), oklch(0.14 0.02 172));
    border: 1px solid var(--border-glow);
    border-radius: 4px;
    padding: 5px 4px;
    cursor: pointer;
    transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.tempo-note-btn:hover {
    border-color: var(--border-glow-focus);
}

.tempo-note-btn.active {
    color: var(--lime);
    border-color: var(--lime);
    background: oklch(0.20 0.06 132 / 0.18);
}

/* Sliders — no per-control glow blanket; color lives only in the thumb */
input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 3px;
    background: var(--bg-panel-dark);
    border-radius: 2px;
    outline: none;
    border: 1px solid var(--border-glow);
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 13px;
    height: 13px;
    border-radius: 3px;
    transform: rotate(45deg);
    cursor: pointer;
    transition: transform 0.12s ease;
    border: 1px solid oklch(0.05 0 0 / 0.4);
}

input[type="range"]::-webkit-slider-thumb:hover { transform: rotate(45deg) scale(1.15); }

.slider-cyan::-webkit-slider-thumb   { background: var(--phos); }
.slider-lime::-webkit-slider-thumb   { background: var(--lime); }
.slider-purple::-webkit-slider-thumb { background: var(--violet); }
.slider-amber::-webkit-slider-thumb  { background: var(--gold); }

/* --- Center Display Panel — the alive container the others cluster around --- */
.panel-center {
    background: var(--bg-panel-dark);
    border: 1px solid var(--border-glow);
    border-radius: 38px 16px 44px 20px;
    position: relative;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: inset 0 0 40px oklch(0 0 0 / 0.75),
                inset 0 1px 0 oklch(1 0 0 / 0.05);
    min-height: 480px;
}

/* Glass highlight event — the one deliberately wet/glossy surface on the page */
.panel-center::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 5;
    background: radial-gradient(ellipse 70% 40% at 30% 0%, oklch(1 0 0 / 0.08), transparent 60%);
}

.display-container {
    position: relative;
    width: 100%;
    height: 100%;
}

#canvas-3d {
    width: 100%;
    height: 100%;
    display: block;
}

.display-overlay-top {
    position: absolute;
    top: 16px;
    left: 16px;
    right: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    pointer-events: none;
    z-index: 10;
}

.coordinate-readout {
    font-family: var(--font-mono);
    font-size: 10.5px;
    color: var(--text-muted);
    background: oklch(0.15 0.02 172 / 0.75);
    padding: 4px 8px;
    border-radius: 4px;
    border: 1px solid var(--border-glow);
    pointer-events: auto;
}

.orbit-controls {
    display: flex;
    gap: 6px;
    pointer-events: auto;
}

.pill-btn {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    background: var(--bg-panel);
    border: 1px solid var(--border-glow);
    padding: 4px 12px;
    border-radius: 11px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.pill-btn:hover { color: var(--text-main); border-color: var(--border-glow-focus); }

.pill-btn.active {
    color: var(--phos);
    border-color: var(--phos);
    box-shadow: 0 0 8px var(--clr-cyan-glow);
}

.display-overlay-bottom {
    position: absolute;
    bottom: 16px;
    left: 16px;
    right: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 10;
}

.tracer-stats {
    font-family: var(--font-mono);
    font-size: 10.5px;
    color: var(--text-muted);
    background: oklch(0.15 0.02 172 / 0.75);
    padding: 6px 12px;
    border-radius: 4px;
    border: 1px solid var(--border-glow);
}

.tracer-stats span { color: var(--lime); }

/* Big Trigger Button — the singular glossy, unmissable organ of the page */
.trigger-btn {
    position: relative;
    background: linear-gradient(150deg, var(--ember), oklch(0.42 0.16 30));
    border: 1px solid oklch(0.68 0.18 40);
    border-radius: 22px 10px 22px 10px;
    padding: 10px 26px;
    cursor: pointer;
    overflow: hidden;
    transition: transform 0.1s cubic-bezier(0.25, 0.8, 0.25, 1), box-shadow 0.2s ease;
    box-shadow: 0 4px 18px var(--clr-coral-glow);
}

.trigger-btn::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle at 30% 20%, oklch(1 0 0 / 0.30) 0%, transparent 60%);
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.trigger-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 22px oklch(0.58 0.19 35 / 0.45);
}

.trigger-btn:hover::after { opacity: 1; }

.trigger-btn:active {
    transform: translateY(2px) scale(0.97);
    box-shadow: 0 2px 6px oklch(0.58 0.19 35 / 0.25);
}

.btn-text {
    font-family: var(--font-mono);
    font-weight: bold;
    font-size: 12.5px;
    letter-spacing: 1.5px;
    color: oklch(0.98 0 0);
    text-shadow: 0 1px 2px oklch(0 0 0 / 0.4);
}

/* --- Presets Grid --- */
.presets-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 7px;
}

.preset-btn {
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 600;
    color: var(--text-main);
    background: linear-gradient(180deg, oklch(0.19 0.02 172), oklch(0.14 0.02 172));
    border: 1px solid var(--border-glow);
    padding: 8px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.preset-btn:hover {
    border-color: var(--border-glow-focus);
    background: oklch(0.21 0.02 172);
}

.preset-btn.active {
    color: var(--lime);
    border-color: var(--lime);
    box-shadow: 0 0 8px var(--clr-lime-glow);
    background: oklch(0.20 0.06 132 / 0.18);
}

/* --- Shareable Planet Link --- */
.planet-link-panel {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.planet-link-btn {
    width: 100%;
    font-family: var(--font-mono);
    font-size: 10.5px;
    font-weight: bold;
    letter-spacing: 0.08em;
    color: var(--text-main);
    background: linear-gradient(180deg, oklch(0.20 0.03 305), oklch(0.14 0.025 305));
    border: 1px solid var(--border-glow);
    border-radius: 5px 14px 5px 14px;
    padding: 7px 8px;
    cursor: pointer;
    transition: border-color 0.15s ease, color 0.15s ease, transform 0.1s ease;
}

.planet-link-btn:hover {
    color: var(--phos);
    border-color: var(--border-glow-focus);
}

.planet-link-btn:active {
    transform: translateY(1px) scale(0.99);
}

.planet-code {
    display: block;
    width: 100%;
    min-height: 28px;
    padding: 6px 7px;
    font-family: var(--font-mono);
    font-size: 9.5px;
    line-height: 1.4;
    color: var(--text-muted);
    background: var(--bg-panel-dark);
    border: 1px solid var(--border-glow);
    border-radius: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    user-select: all;
}

.planet-card {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 7px;
    background: linear-gradient(180deg, oklch(0.13 0.018 172), oklch(0.105 0.018 305));
    border: 1px solid var(--border-glow);
    border-radius: 4px 12px 4px 12px;
}

.planet-card-row {
    display: grid;
    grid-template-columns: minmax(64px, 0.8fr) minmax(0, 1fr);
    align-items: baseline;
    gap: 8px;
    min-height: 18px;
    font-family: var(--font-mono);
    font-size: 9.5px;
    letter-spacing: 0.04em;
}

.planet-card-row span {
    color: var(--text-dim);
}

.planet-card-row strong {
    color: var(--phos);
    font-weight: 700;
    text-align: right;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* --- Bottom Deck --- */
.bottom-deck {
    display: grid;
    grid-template-columns: 268px 1fr;
    gap: 10px;
    height: 176px;
}

.player-pod {
    background: var(--bg-panel);
    border: 1px solid var(--border-glow);
    border-radius: 12px 26px 10px 30px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0 8px 24px oklch(0 0 0 / 0.35);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.player-pod.drag-over {
    border-color: var(--lime);
    box-shadow: 0 0 15px var(--clr-lime-glow);
}

.pod-header {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-glow);
    padding-bottom: 4px;
    margin-bottom: 6px;
}

.sound-select-wrapper { position: relative; }

.custom-select {
    width: 100%;
    font-family: var(--font-body);
    font-size: 12px;
    background: var(--bg-panel-dark);
    color: var(--text-main);
    border: 1px solid var(--border-glow);
    padding: 6px 10px;
    border-radius: 8px;
    outline: none;
    cursor: pointer;
}

.custom-select:focus { border-color: var(--border-glow-focus); }

.file-upload-area {
    background: var(--bg-panel-dark);
    border: 1px dashed var(--border-glow);
    border-radius: 8px;
    padding: 6px;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.file-upload-area input[type="file"] { display: none; }

.upload-btn {
    font-size: 11px;
    color: var(--phos);
    cursor: pointer;
    font-weight: 600;
}

.file-name-display {
    font-family: var(--font-mono);
    font-size: 9px;
    color: var(--text-dim);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.player-controls {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Action Button — second (subtler) gloss event */
.action-btn {
    position: relative;
    width: 100%;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: bold;
    color: oklch(0.98 0 0);
    background: linear-gradient(180deg, var(--phos), oklch(0.42 0.11 172));
    border: 1px solid oklch(0.70 0.14 172);
    border-radius: 20px 8px 20px 8px;
    padding: 8px;
    cursor: pointer;
    box-shadow: 0 4px 10px var(--clr-cyan-glow);
    transition: transform 0.1s ease, box-shadow 0.2s ease;
    overflow: hidden;
}

.action-btn:hover {
    box-shadow: 0 6px 15px oklch(0.60 0.14 172 / 0.4);
    transform: translateY(-0.5px);
}

.action-btn:active { transform: translateY(1.5px) scale(0.98); }

.player-btn-group {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
}

.control-btn {
    font-family: var(--font-mono);
    font-size: 10.5px;
    font-weight: bold;
    color: var(--text-main);
    background: linear-gradient(180deg, oklch(0.20 0.02 305), oklch(0.15 0.02 305));
    border: 1px solid var(--border-glow);
    border-radius: 5px;
    padding: 6px 4px;
    cursor: pointer;
    transition: all 0.1s ease;
}

.control-btn:not(:disabled):hover {
    border-color: var(--border-glow-focus);
    background: oklch(0.23 0.02 305);
}

.control-btn:disabled { opacity: 0.3; cursor: not-allowed; }

.control-btn.active-play {
    color: var(--lime);
    border-color: var(--lime);
    box-shadow: 0 0 6px var(--clr-lime-glow);
}

.control-btn.active-loop {
    color: var(--gold);
    border-color: var(--gold);
    box-shadow: 0 0 6px var(--clr-amber-glow);
}

/* --- IR Plot Container --- */
.ir-plot-container {
    background: var(--bg-panel-dark);
    border: 1px solid var(--border-glow);
    border-radius: 10px 30px 14px 24px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: inset 0 0 15px oklch(0 0 0 / 0.6);
}

.ir-header {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 10.5px;
    color: var(--text-muted);
    border-bottom: 1px dashed var(--border-glow);
    padding-bottom: 4px;
    margin-bottom: 6px;
}

.ir-arrival-info { color: var(--phos); }

.canvas-wrapper {
    flex-grow: 1;
    position: relative;
    width: 100%;
    min-height: 0;
}

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

/* Helper Utilities */
.hidden { display: none !important; }

.animate-pulse { animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite; }

@keyframes pulse {
    0%, 100% { opacity: 1; filter: drop-shadow(0 0 8px var(--lime)); }
    50%      { opacity: .4; filter: drop-shadow(0 0 2px var(--lime)); }
}

.animate-slide-in { animation: slideIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards; }

@keyframes slideIn {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}