:root
{
    --bg0: #1a1a1a;
    --bg1: #121212;
    --card: #2a2a2a;
    --card2: #252525;
    --border: #3a3a3a;
    --border2: #4a4a4a;

    --text: #d4d4d4;
    --muted: #999999;
    --muted2: #6e6e6e;

    --accent: #ffbb00;
    --glow: rgba(255, 187, 0, 0.08);

    --ok: #5cb85c;
    --warn: #ffbb00;
    --err: #d9534f;

    --shadow: 0 4px 16px rgba(0,0,0,0.4);
}

* { box-sizing: border-box; }

body
{
    margin: 0;
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg0);
}

.app
{
    max-width: 1200px;
    margin: 0 auto;
    padding: 6px 14px 20px 14px;
}

/* ------------------------------ */
/* Header */
/* ------------------------------ */

.header
{
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 4px;
}

.header-left
{
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.header-title
{
    margin: 0;
    font-size: 20px;
    font-weight: 650;
    letter-spacing: 0.2px;
    color: #ffffff;
}

.header-sub
{
    color: var(--muted);
    font-size: 12px;
}

.logo
{
    height: 48px;
    margin-left: auto;
    display: block;
    filter: drop-shadow(0 10px 25px rgba(0,0,0,0.5));
    opacity: 0.95;
}

/* ------------------------------ */
/* Cards / sections */
/* ------------------------------ */

.card
{
    background: var(--card);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.section
{
    padding: 10px 12px 8px 12px;
}

.section-title
{
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--muted);
    margin-bottom: 6px;
}

/* ------------------------------ */
/* Top bar */
/* ------------------------------ */

.topbar
{
    padding: 8px 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 10px;
}

.topbar-status
{
    display: flex;
    align-items: center;
    gap: 14px;
}

.pps-label
{
    font-size: 13px;
    color: var(--muted);
    letter-spacing: 0.3px;
}

.topbar-stats
{
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.topbar-conn
{
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: auto;
}

/* ------------------------------ */
/* Progress bar */
/* ------------------------------ */

.progress-bar
{
    height: 3px;
    background: #333;
    margin-bottom: 10px;
    overflow: hidden;
}

.progress-fill
{
    height: 100%;
    background: var(--accent);
    width: 0%;
    transition: width 0.3s ease;
}

/* ------------------------------ */
/* Buttons */
/* ------------------------------ */

button
{
    padding: 6px 12px;
    background: #333333;
    color: var(--text);
    border: 1px solid var(--border2);
    cursor: pointer;
    font-size: 13px;
    font-family: inherit;
    letter-spacing: 0.2px;
    transition: transform 0.08s ease, background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

button:hover
{
    background: #3d3d3d;
    border-color: #5a5a5a;
    box-shadow: 0 0 8px rgba(255,187,0,0.06);
}

button:active
{
    transform: translateY(1px);
    background: #444444;
}

button:disabled
{
    opacity: 0.35;
    cursor: not-allowed;
    box-shadow: none;
}

/* ------------------------------ */
/* Status chip */
/* ------------------------------ */

.status
{
    padding: 4px 8px;
    border: 1px solid var(--border2);
    background: #1e1e1e;
    font-weight: 600;
    letter-spacing: 0.2px;
}

.ok   { color: var(--ok); }
.warn { color: var(--warn); }

/* ------------------------------ */
/* Diagnostics */
/* ------------------------------ */

.err
{
    margin-top: 6px;
    padding: 8px 12px;
    color: var(--err);
    white-space: pre-wrap;
    border: 1px solid rgba(217,83,79,0.30);
    background: rgba(217,83,79,0.08);
}

/* ------------------------------ */
/* Layout grid */
/* ------------------------------ */

.grid
{
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    align-items: stretch;
}

.plot-card
{
    grid-column: 1 / -1;
}

@media (max-width: 900px)
{
    .grid { grid-template-columns: 1fr; }
}

/* ------------------------------ */
/* Telemetry table (compact) */
/* ------------------------------ */

.telem-table
{
    width: 100%;
    border-collapse: collapse;
    margin-top: 2px;
    font-size: 13px;
}

.telem-table thead th
{
    padding: 3px 6px;
    font-size: 10px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--muted2);
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.telem-table thead th:first-child
{
    width: 30%;
}

.telem-table td
{
    padding: 3px 6px;
    border-bottom: 1px solid #333333;
}

.telem-table tr:last-child td
{
    border-bottom: none;
}

.telem-table td:first-child
{
    color: var(--muted);
    width: 30%;
}

.telem-table td.mono
{
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 0.6px;
}

.telem-table td.muted-val
{
    font-size: 12px;
    color: var(--muted2);
    letter-spacing: 0.3px;
}

/* ------------------------------ */
/* Control layout                  */
/* ------------------------------ */

.control-card
{
    display: flex;
    flex-direction: column;
}

.control-layout
{
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0;
    align-items: stretch;
    margin-top: 4px;
    flex: 1;
}

.control-divider
{
    display: none;
}

/* ---- Left panel: stacked instrument rows ---- */

.control-panel
{
    display: flex;
    flex-direction: column;
    gap: 0;
    border: 1px solid var(--border);
    background: #222222;
    overflow: hidden;
}

.ctrl-row
{
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 7px 12px;
    border-bottom: 1px solid #333333;
    gap: 10px;
    min-height: 34px;
    transition: background 0.12s ease;
}

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

.ctrl-row--highlight
{
    background: rgba(255,187,0,0.04);
    border-bottom: 1px solid #3a3a3a;
}

.ctrl-label
{
    font-size: 11px;
    letter-spacing: 0.9px;
    text-transform: uppercase;
    color: var(--muted2);
    flex-shrink: 0;
}

.ctrl-value
{
    font-size: 13px;
    color: var(--text);
    letter-spacing: 0.5px;
    text-align: right;
}

.ctrl-value--large
{
    font-size: 22px;
    font-weight: 300;
    letter-spacing: -0.5px;
    color: var(--accent);
    text-shadow: 0 0 20px rgba(255,187,0,0.12);
}

.ctrl-select
{
    padding: 5px 10px;
    background: #333333;
    color: var(--text);
    border: 1px solid var(--border2);
    font-size: 13px;
    font-family: inherit;
    cursor: pointer;
    outline: none;
    min-width: 90px;
    transition: background 0.12s ease, border-color 0.12s ease;
}

.ctrl-select:hover
{
    background: #3d3d3d;
    border-color: #5a5a5a;
}

.ctrl-select:focus
{
    border-color: var(--accent);
}

.ctrl-select option
{
    background: #2a2a2a;
    color: var(--text);
}

/* Toggle switch */
.ctrl-toggle
{
    display: flex;
    align-items: center;
    cursor: pointer;
    flex-shrink: 0;
}

.ctrl-toggle input[type="checkbox"]
{
    display: none;
}

.ctrl-toggle-track
{
    display: inline-block;
    width: 36px;
    height: 18px;
    background: #3a3a3a;
    border: 1px solid #4a4a4a;
    position: relative;
    transition: background 0.2s ease, border-color 0.2s ease;
    flex-shrink: 0;
}

.ctrl-toggle-track::after
{
    content: "";
    position: absolute;
    top: 2px;
    left: 2px;
    width: 12px;
    height: 12px;
    background: #777;
    transition: left 0.2s ease, background 0.2s ease;
}

.ctrl-toggle input[type="checkbox"]:checked + .ctrl-toggle-track
{
    background: rgba(92, 184, 92, 0.20);
    border-color: rgba(92, 184, 92, 0.50);
}

.ctrl-toggle input[type="checkbox"]:checked + .ctrl-toggle-track::after
{
    left: 20px;
    background: var(--ok);
}

/* ---- Right panel: buttons + slider rail ---- */

.control-right
{
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 0;
    padding: 0;
    border-left: 1px solid #333333;
}

.control-buttons-vertical
{
    display: flex;
    flex-direction: column;
    justify-content: stretch;
}

.control-buttons-vertical button
{
    flex: 1;
    width: 68px;
    padding: 0;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.3px;
    border: none;
    border-bottom: 1px solid #333333;
    background: #262626;
    color: var(--muted);
    transition: background 0.12s ease, color 0.12s ease;
}

.control-buttons-vertical button:last-child
{
    border-bottom: none;
}

.control-buttons-vertical button:hover:not(:disabled)
{
    background: #363636;
    color: var(--text);
    box-shadow: none;
}

.control-buttons-vertical button:active:not(:disabled)
{
    background: #444444;
    transform: none;
}

/* Slider rail */

.slider-rail
{
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px 8px;
    background:
        linear-gradient(180deg,
            #2a2a2a 0%,
            #1e1e1e 100%);
    border-left: 1px solid #333333;
    min-width: 38px;
}

#throttleSlider
{
    -webkit-appearance: slider-vertical;
    appearance: slider-vertical;
    writing-mode: bt-lr;
    width: 6px;
    height: 100%;
    min-height: 140px;
    flex-shrink: 0;
    background: #3a3a3a;
    border: 1px solid #4a4a4a;
    outline: none;
}

#throttleSlider::-webkit-slider-thumb
{
    appearance: none;
    width: 22px;
    height: 10px;
    background: var(--accent);
    border: 1px solid rgba(0,0,0,0.40);
    box-shadow: 0 2px 8px rgba(0,0,0,0.50);
    cursor: pointer;
}

#throttleSlider::-moz-range-thumb
{
    width: 22px;
    height: 10px;
    background: var(--accent);
    border: 1px solid rgba(0,0,0,0.40);
    box-shadow: 0 2px 8px rgba(0,0,0,0.50);
    cursor: pointer;
}

/* General range (horizontal fallback) */
input[type="range"]
{
    height: 10px;
    appearance: none;
    background: linear-gradient(90deg, #4a4a4a, #333333);
    border: 1px solid #4a4a4a;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb
{
    appearance: none;
    width: 18px;
    height: 18px;
    background: var(--accent);
    border: 1px solid rgba(0,0,0,0.35);
    box-shadow: 0 4px 12px rgba(0,0,0,0.45);
}

/* ------------------------------ */
/* Plot */
/* ------------------------------ */

.plot-actions
{
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 8px;
}

.plot-actions-right
{
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.plot-wrap
{
    padding: 4px;
    border: 1px solid var(--border);
    background: #1e1e1e;
    position: relative;
}

.plot-scroll
{
    overflow-x: auto;
    overflow-y: hidden;
}

#telemPlot
{
    width: 100%;
    display: block;
    cursor: crosshair;
    background: #1e1e1e;
}

.plot-tooltip
{
    display: none;
    position: absolute;
    pointer-events: none;
    background: rgba(30,30,30,0.94);
    border: 1px solid var(--border2);
    padding: 6px 10px;
    font-size: 12px;
    z-index: 20;
    white-space: nowrap;
    box-shadow: 0 4px 16px rgba(0,0,0,0.5);
    color: var(--text);
}

.plot-tooltip.active { display: block; }

.plot-hint
{
    margin-top: 6px;
    font-size: 12px;
}

/* ------------------------------ */
/* Toggles / mono */
/* ------------------------------ */

.toggle
{
    display: inline-flex;
    align-items: center;
    gap: 8px;
    user-select: none;
}

.toggle-label
{
    color: var(--muted);
    font-size: 13px;
}

input[type="checkbox"]
{
    accent-color: #bfbfbf;
}

.mono
{
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

.subtle
{
    color: var(--muted2);
}

.footer-bar
{
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    color: var(--muted2);
    margin-top: 10px;
}

.footer-copyright
{
    opacity: 0.7;
}

.footer-version
{
    opacity: 0.5;
}

/* ═══════════════════════════════════════════════
   Light Theme Overrides
   ═══════════════════════════════════════════════ */
[data-theme="light"] {
    --bg0: #f3f3f6;
    --bg1: #eaeaef;
    --card: #ffffff;
    --card2: #fafafe;
    --border: #e2e2ea;
    --border2: #d4d4dc;
    --text: #1a1a2e;
    --muted: #6b6b80;
    --muted2: #9494a6;
    --accent: #c08b12;
    --glow: rgba(192,139,18,0.04);
    --ok: #1a9e3f;
    --warn: #c08b12;
    --err: #d93025;
    --shadow: 0 2px 8px rgba(0,0,0,0.06), 0 1px 3px rgba(0,0,0,0.04);
}
[data-theme="light"] .header-title { color: #1a1a2e; }
[data-theme="light"] .logo { filter: invert(1) drop-shadow(0 4px 12px rgba(0,0,0,0.08)); }
[data-theme="light"] .status { background: #f0f0f4; }
[data-theme="light"] button { background: #ffffff; color: #3c3c52; }
[data-theme="light"] button:hover { background: #f0f0f4; border-color: #c0c0cc; box-shadow: none; }
[data-theme="light"] button:active { background: #eaeaef; }
[data-theme="light"] .progress-bar { background: #eaeaef; }
[data-theme="light"] .err { background: rgba(217,48,37,0.06); border-color: rgba(217,48,37,0.16); }
[data-theme="light"] .control-panel { background: #ffffff; }
[data-theme="light"] .ctrl-row { border-bottom-color: #f3f3f6; }
[data-theme="light"] .ctrl-row--highlight { background: rgba(192,139,18,0.04); border-bottom-color: #e2e2ea; }
[data-theme="light"] .ctrl-select { background: #f0f0f4; }
[data-theme="light"] .ctrl-select:hover { background: #eaeaef; border-color: #c0c0cc; }
[data-theme="light"] .ctrl-select option { background: #ffffff; }
[data-theme="light"] .ctrl-toggle-track { background: #e2e2ea; border-color: #d4d4dc; }
[data-theme="light"] .ctrl-toggle-track::after { background: #ffffff; box-shadow: 0 1px 3px rgba(0,0,0,0.12); }
[data-theme="light"] .ctrl-toggle input[type="checkbox"]:checked + .ctrl-toggle-track { background: #1a9e3f; border-color: #1a9e3f; }
[data-theme="light"] .ctrl-toggle input[type="checkbox"]:checked + .ctrl-toggle-track::after { background: #ffffff; }
[data-theme="light"] .ctrl-value--large { color: var(--accent); text-shadow: none; }
[data-theme="light"] .telem-table td { border-bottom-color: #f3f3f6; }
[data-theme="light"] .control-right { border-left-color: #e2e2ea; }
[data-theme="light"] .control-buttons-vertical button { background: #fafafe; border-bottom-color: #e2e2ea; }
[data-theme="light"] .control-buttons-vertical button:hover:not(:disabled) { background: #f0f0f4; box-shadow: none; }
[data-theme="light"] .control-buttons-vertical button:active:not(:disabled) { background: #eaeaef; }
[data-theme="light"] .slider-rail { background: linear-gradient(180deg, #f0f0f4 0%, #eaeaef 100%); border-left-color: #e2e2ea; }
[data-theme="light"] #throttleSlider { background: #e2e2ea; border-color: #d4d4dc; }
[data-theme="light"] input[type="range"] { background: linear-gradient(90deg, #d4d4dc, #eaeaef); border-color: #d4d4dc; }
[data-theme="light"] .plot-wrap { background: #f0f0f4; }
[data-theme="light"] #telemPlot { background: #f0f0f4; }
[data-theme="light"] .plot-tooltip { background: rgba(255,255,255,0.94); box-shadow: 0 4px 16px rgba(0,0,0,0.1); }
[data-theme="light"] input[type="checkbox"] { accent-color: #6b6b80; }

/* Theme toggle in footer */
.theme-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    user-select: none;
    font-size: 11px;
    color: var(--muted2);
}
.theme-toggle:hover { color: var(--muted); }
.theme-toggle-label { font-size: 11px; }
.theme-toggle-track {
    width: 30px;
    height: 16px;
    background: #3a3a3a;
    border: 1px solid #4a4a4a;
    border-radius: 100px;
    position: relative;
    transition: background 0.2s ease, border-color 0.2s ease;
}
.theme-toggle-track::after {
    content: "";
    position: absolute;
    top: 2px;
    left: 2px;
    width: 10px;
    height: 10px;
    background: #777;
    border-radius: 50%;
    transition: left 0.2s ease, background 0.2s ease;
}
[data-theme="light"] .theme-toggle-track {
    background: #e2e2ea;
    border-color: #d4d4dc;
}
[data-theme="light"] .theme-toggle-track::after {
    left: 16px;
    background: #c08b12;
}

/* ── Slider accent + borders on buttons/rail ── */
#throttleSlider { accent-color: var(--accent); }
.control-buttons-vertical button {
    border: 1px solid #333333;
    border-bottom: none;
}
.control-buttons-vertical button:last-child {
    border-bottom: 1px solid #333333;
}
.slider-rail {
    border-top: 1px solid #333333;
    border-right: 1px solid #333333;
    border-bottom: 1px solid #333333;
}
[data-theme="light"] .control-buttons-vertical button {
    border-color: #e2e2ea;
}
[data-theme="light"] .control-buttons-vertical button:last-child {
    border-bottom-color: #e2e2ea;
}
[data-theme="light"] .slider-rail {
    border-top-color: #e2e2ea;
    border-right-color: #e2e2ea;
    border-bottom-color: #e2e2ea;
}