/* ═══════════════════════════════════════════════════════════════════
   TEMPLATE STYLESHEET
   Canvas = animation only. All text/stats/panels = HTML divs.

   FONT FLOOR: nothing in the UI should go below 0.82rem.
   Debug console chrome (titlebar) is exempt at 0.75rem — it's a
   tool pane, not content. Do not create new classes below 0.82rem.
   ═══════════════════════════════════════════════════════════════════ */

/* ── CSS Variables ─────────────────────────────────────────────── */
:root {
    /* Core palette */
    --bg:              #0a0e14;
    --panel-bg:        #111820;
    --canvas-bg:       #020408;
    --border:          #2a3545;

    /* Text */
    --text-primary:    #e8edf4;
    --text-secondary:  #8a9bb0;
    --text-dim:        #3d4f62;

    /* Accents */
    --accent:          #00e5ff;
    --accent-dim:      rgba(0, 229, 255, 0.12);
    --accent-border:   rgba(0, 229, 255, 0.5);

    /* State colors */
    --color-ok:        #22c55e;
    --color-warn:      #fbbf24;
    --color-danger:    #f43f5e;
    --color-gold:      #ffd700;

    /* Team / population colors */
    --color-a:         #d97706;
    --color-b:         #2563eb;

    /* Typography */
    --font-sans:       system-ui, -apple-system, 'Segoe UI', sans-serif;
    --font-mono:       'Cascadia Code', 'Roboto Mono', 'Consolas', monospace;

    /* Layout dimensions — override per project */
    --canvas-w:        1200px;
    --canvas-h:        700px;
    --panel-left-w:    220px;
    --panel-right-w:   220px;

    /* Component metrics */
    --panel-pad:       14px;
    --panel-radius:    10px;
    --border-radius:   6px;
    --stat-bar-h:      8px;
    --btn-h:           30px;
    --gap:             12px;

    /* Panel scroll limit — panels scroll internally beyond this height */
    --panel-max-h:     calc(100vh - 110px);
}

/* ── Reset ─────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html {
    margin: 0;
    padding: 0;
    background: var(--bg);
    /* page scrolls when content (e.g. debug consoles open) exceeds viewport */
    overflow-y: auto;
}
body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text-primary);
    font-family: var(--font-mono);
}

button { cursor: pointer; font-family: inherit; }
h1, h2, h3, p { margin: 0; }
canvas { display: block; }

/* ── Shell ─────────────────────────────────────────────────────── */
.sim-shell {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px;
    gap: var(--gap);
    min-height: 100vh;
}

/* ── Top HUD bar ───────────────────────────────────────────────── */
.hud-top {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 20px;
    width: 100%;
    max-width: calc(var(--panel-left-w) + var(--canvas-w) + var(--panel-right-w) + 28px);
    padding: 8px 14px;
    background: var(--panel-bg);
    border: 1px solid var(--border);
    border-radius: var(--panel-radius);
    flex-shrink: 0;
}
.hud-top__title   { display: flex; gap: 10px; align-items: baseline; justify-self: start; }
.hud-top__stats   { display: flex; align-items: center; justify-content: center; justify-self: center; }
.hud-top__group   { display: flex; align-items: center; gap: 8px; }
.hud-top__group--timer { gap: 6px; }
.hud-top__right   { display: flex; align-items: center; width: 100%; min-width: 0; }
.hud-top__zoom    { flex: 1; display: flex; align-items: center; justify-content: center; gap: 8px; min-width: 0; }
.hud-top__controls { display: flex; gap: 8px; flex-shrink: 0; justify-self: end; }
.hud-top__timer   { font-variant-numeric: tabular-nums; min-width: 60px; text-align: center; line-height: 1; }

/* Project name / title in the top bar */
.hud-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.hud-stat  { display: flex; flex-direction: column; gap: 2px; }

/* Category labels (TIME, SCORE, etc.) — FLOOR: 0.82rem */
.hud-label {
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-secondary);
}
.hud-value {
    font-size: 1.00rem;
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
}

/* ── Body row ──────────────────────────────────────────────────── */
.sim-body {
    display: flex;
    align-items: flex-start;
    gap: var(--gap);
}

/* ── Canvas column ─────────────────────────────────────────────── */
.canvas-column {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 0 0 auto;
}

.canvas-frame {
    width: var(--canvas-w);
    height: var(--canvas-h);
    background: var(--canvas-bg);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    overflow: hidden;
    position: relative;
}
.canvas-frame canvas { width: 100%; height: 100%; }

.canvas-strip-wrap {
    width: var(--canvas-w);
    background: var(--canvas-bg);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    overflow: hidden;
}
.canvas-strip-wrap canvas { width: 100%; }

/* ── Panels ────────────────────────────────────────────────────── */
.panel {
    padding: var(--panel-pad);
    background: var(--panel-bg);
    border: 1px solid var(--border);
    border-radius: var(--panel-radius);
    display: flex;
    flex-direction: column;
    gap: 0;
    overflow-y: auto;           /* scrolls internally when content is tall */
    max-height: var(--panel-max-h);
}
.panel--left  { width: var(--panel-left-w);  flex: 0 0 var(--panel-left-w);  }
.panel--right { width: var(--panel-right-w); flex: 0 0 var(--panel-right-w); }

.panel-section {
    display: flex;
    flex-direction: column;
    gap: 7px;
    padding-bottom: 12px;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--border);
}
.panel-section:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }

/* Section header — FLOOR: 0.82rem */
.panel-title {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.14em;
    text-transform: uppercase;
}
.panel-message {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.45;
    min-height: 2.2em;
}

/* ── Stat bars ─────────────────────────────────────────────────── */
.stat-row {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.stat-row__labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.90rem;
}
.stat-label { color: var(--text-secondary); }
.stat-value  { color: var(--text-primary); font-variant-numeric: tabular-nums; }

.stat-bar {
    width: 100%;
    height: var(--stat-bar-h);
    background: rgba(0,0,0,0.5);
    border: 1px solid rgba(255,255,255,0.07);
    border-radius: 4px;
    overflow: hidden;
}
.stat-bar__fill {
    height: 100%;
    width: 100%;
    transition: width 100ms linear;
    border-radius: 4px;
}
.stat-bar__fill--a  { background: linear-gradient(90deg, #163a22, var(--color-ok)); }
.stat-bar__fill--b  { background: linear-gradient(90deg, #0a2a34, var(--accent)); }
.stat-bar__fill--warn    { background: linear-gradient(90deg, #4a2800, var(--color-warn)); }
.stat-bar__fill--danger  { background: linear-gradient(90deg, #3a0010, var(--color-danger)); }

/* ── Button grid (multi-toggle row) ────────────────────────────── */
.btn-grid {
    display: grid;
    /* minmax(0,1fr) — equal-width tracks even when a label is long, so a
       wide word can't stretch its column wider than the others. */
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 4px;
}
.btn--compact {
    min-height: 0;
    padding: 4px 2px;
    text-align: center;
    font-size: 0.78rem;
    letter-spacing: 0.04em;
}

/* ── Compass dial (angular input) ──────────────────────────────── */
.compass-dial {
    display: block;
    width: 100%;
    max-width: 130px;
    aspect-ratio: 1;
    margin: 6px auto 4px;
    cursor: grab;
    touch-action: none;
    user-select: none;
}
.compass-dial:active { cursor: grabbing; }
/* Locked while a weather mode drives direction — dial reads out, no input. */
.compass-dial.is-locked { pointer-events: none; cursor: default; opacity: 0.6; }
input.is-auto { pointer-events: none; opacity: 0.85; }
.dial-ring        { fill: rgba(0,0,0,0.35); stroke: var(--border); stroke-width: 1.2; }
.dial-tick        { stroke: var(--text-secondary); stroke-width: 1.4; }
.dial-card        { fill: var(--text-secondary); font-family: var(--font-mono); font-size: 9px; text-anchor: middle; dominant-baseline: central; }
.dial-needle      { stroke: #f0d050; stroke-width: 2.2; stroke-linecap: round; }
.dial-needle-tip  { fill: #f0d050; }
.dial-needle--current     { stroke: #3a7fd0; }
.dial-needle-tip--current { fill: #3a7fd0; }
.dial-hub         { fill: var(--text-primary); }

/* ── Key-value rows ────────────────────────────────────────────── */
.kv-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-size: 0.91rem;
}
/* FLOOR: 0.82rem */
.kv-label { color: var(--text-secondary); font-size: 0.82rem; letter-spacing: 0.06em; }
.kv-value { color: var(--text-primary); font-variant-numeric: tabular-nums; }
.kv-pos-sep { color: #3a7fd0; }

/* ── Digital Instruments ───────────────────────────────────────── */
.instrument-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}
.inst-box {
    background: #000;
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 8px 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.inst-label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.10em;
    color: var(--text-secondary);
    margin-bottom: 2px;
}
.inst-value {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
}

/* ── Buttons ───────────────────────────────────────────────────── */
.btn {
    min-height: var(--btn-h);
    padding: 5px 10px;
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    background: rgba(0,0,0,0.3);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.90rem;
    letter-spacing: 0.04em;
    text-align: left;
    transition: border-color 80ms, color 80ms, background 80ms;
    white-space: nowrap;
}
.btn:hover {
    border-color: var(--accent-border);
    color: var(--text-primary);
}
.btn.is-active {
    border-color: var(--accent);
    color: var(--text-primary);
    background: var(--accent-dim);
}
.btn--full   { width: 100%; }
.btn--accent { border-color: var(--accent-border); color: var(--accent); }
.btn--system { width: 100%; text-align: left; }

/* Boat-class selector in the top HUD */
.boat-select {
    min-height: var(--btn-h);
    padding: 4px 8px;
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    background: rgba(0,0,0,0.3);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.90rem;
    letter-spacing: 0.04em;
    transition: border-color 80ms, color 80ms;
}
.boat-select:hover,
.boat-select:focus {
    border-color: var(--accent-border);
    color: var(--text-primary);
    outline: none;
}

/* WORLD panel text/number inputs — compact monospace form control */
.world-input {
    width: 90px;
    padding: 2px 6px;
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    background: rgba(0,0,0,0.3);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 0.04em;
    text-align: right;
}
.world-input:focus {
    border-color: var(--accent-border);
    outline: none;
}

.btn--ok                { border-color: rgba(34,197,94,0.4); color: #86efac; }
.btn--ok:hover          { border-color: var(--color-ok); background: rgba(34,197,94,0.10); }
.btn--ok.is-active      { border-color: var(--color-ok); color: #dcfce7; background: rgba(34,197,94,0.18); }
.btn--warn              { border-color: rgba(251,191,36,0.4); color: #fcd34d; }
.btn--warn:hover        { border-color: var(--color-warn); background: rgba(251,191,36,0.10); }
.btn--warn.is-active    { border-color: var(--color-warn); color: #fef9c3; background: rgba(251,191,36,0.15); }

.btn--danger            { border-color: rgba(244,63,94,0.4); color: #fca5a5; }
.btn--danger:hover      { border-color: var(--color-danger); background: rgba(244,63,94,0.10); }
.btn--danger.is-active  { border-color: var(--color-danger); color: #ffe4e6; background: rgba(244,63,94,0.15); }

/* ── Tabs ──────────────────────────────────────────────────────── */
.panel-section--tabs { gap: 0; }
.tab-bar {
    display: flex;
    border-bottom: 1px solid var(--border);
    margin-bottom: 10px;
}
/* FLOOR: 0.82rem */
.tab {
    flex: 1;
    padding: 5px 6px;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-align: center;
    cursor: pointer;
    border: none;
    background: none;
    color: var(--text-dim);
    border-bottom: 2px solid transparent;
    font-family: var(--font-mono);
    transition: color 80ms;
}
.tab--active { color: var(--text-primary); border-bottom-color: var(--accent); }
.tab:not(.tab--active):hover { color: var(--text-secondary); }
.tab-content--hidden { display: none; }

/* ── Telemetry bar ─────────────────────────────────────────────── */
.telem-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
    width: var(--canvas-w);
    padding: 9px 14px;
    background: rgba(0,0,0,0.32);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
}
.telem-bar--instruments {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    align-items: start;
}
.instrument-slot {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 6px;
    background: rgba(0,0,0,0.32);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 3px;
    min-height: 280px;
}
.instrument-title {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--text-secondary);
    margin: 0;
}

/* ── UI layout primitives (instrument / panel controls) ───────── */
.instrument-slot input[type="range"],
.panel-section input[type="range"] {
    width: 100%;
}

.instrument-slot .kv-row {
    width: 100%;
    align-self: stretch;
}

.slider-block {
    width: 100%;
    padding: 0 8px;
}
.slider-block--spaced {
    margin-top: 4px;
}

.slider-legend {
    display: flex;
    justify-content: space-between;
    margin-top: 2px;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.btn-row {
    display: flex;
    gap: 4px;
    width: 100%;
}
.btn-row--center {
    justify-content: center;
}
.btn-row--center.btn-row--spaced,
.btn-row.btn-row--spaced {
    margin-top: 4px;
}
.btn-row--stretch .btn {
    flex: 1;
}

.slot-divider {
    height: 1px;
    width: 100%;
    margin: 6px 0;
    background: rgba(140, 200, 230, 0.18);
}

.panel-hint {
    font-size: 0.82rem;
    color: var(--text-secondary);
    text-align: center;
    margin-top: 4px;
}
.panel-hint--tight {
    margin-top: 3px;
}

.heel-status {
    text-align: center;
    font-size: 0.82rem;
    font-family: var(--font-mono);
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    margin-top: 2px;
}

.panel-section:has(#heelCanvas) > .kv-row {
    margin-top: 4px;
}

.kv-row--pos {
    justify-content: flex-start;
    gap: 0.45em;
}

#cannon-row {
    margin-top: 6px;
}

#btn-nav-route {
    margin-top: 6px;
}

.trim-label {
    font-size: 0.70rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    color: var(--text-secondary);
    margin-top: 2px;
}
.trim-bar {
    position: relative;
    width: 90%;
    height: 14px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 3px;
    overflow: visible;
}
.trim-fill {
    position: absolute;
    inset: 0;
    background: #c93030;
    border-radius: 2px;
    transition: background 120ms ease;
}
.trim-bar__center {
    position: absolute;
    top: -2px;
    bottom: -2px;
    left: 50%;
    width: 1px;
    background: rgba(255,255,255,0.25);
}
.trim-tick {
    position: absolute;
    top: -3px;
    bottom: -3px;
    width: 3px;
    margin-left: -1.5px;
    border-radius: 1px;
}
.trim-tick--boom {
    background: #ffffff;
    z-index: 2;
}
.trim-tick--natural {
    background: #f0d050;
    z-index: 1;
}
.trim-tick--optimal {
    background: #3ad06e;
    z-index: 1;
}
.trim-curve-canvas,
#trimCurveCanvas,
#trimCurveCanvasJib {
    display: block;
    width: 90%;
    margin-top: 4px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 2px;
}

.panel-canvas,
#heelCanvas,
#miniMapCanvas {
    display: block;
    width: 100%;
    background: #061a26;
    border-radius: 3px;
}

#heelCanvas {
    aspect-ratio: 200 / 130;
}

#miniMapCanvas {
    max-width: 240px;
    aspect-ratio: 1;
    margin: 0 auto;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 2px;
}
.telem-minimap {
    flex-basis: 100%;
    overflow: hidden;
    background: rgba(0,0,0,0.5);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 3px;
}
.telem-group {
    display: flex;
    flex-direction: column;
    gap: 3px;
}
.telem-group--bar { min-width: 80px; }
/* FLOOR: 0.82rem */
.telem-label {
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-secondary);
}
.telem-value {
    font-size: 0.92rem;
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
    min-height: 1.1em;
}
.telem-progbar {
    width: 100%;
    height: 4px;
    background: rgba(255,255,255,0.07);
    border-radius: 2px;
    overflow: hidden;
}
.telem-progbar__fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--accent), var(--color-ok));
    border-radius: 2px;
    transition: width 300ms ease;
}

/* ── Graph canvas wrapper ──────────────────────────────────────── */
.graph-wrap {
    background: rgba(0,0,0,0.45);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    overflow: hidden;
}
.graph-wrap canvas { width: 100%; height: auto; }

/* ── Scrollbar styling ─────────────────────────────────────────── */
::-webkit-scrollbar              { width: 6px; height: 6px; }
::-webkit-scrollbar-track        { background: transparent; }
::-webkit-scrollbar-thumb        { background: #2a3a4e; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover  { background: #3a5068; }
::-webkit-scrollbar-corner       { background: transparent; }

/* ── Utility color classes ─────────────────────────────────────── */
.text-ok     { color: var(--color-ok); }
.text-warn   { color: var(--color-warn); }
.text-danger { color: var(--color-danger); }
.text-accent { color: var(--accent); }
.text-a      { color: var(--color-a); }
.text-b      { color: var(--color-b); }

/* ── Debug consoles ────────────────────────────────────────────── */
/*
   Inside .canvas-column, directly below the telemetry bar.
   LEFT  — live monitor: 2-column layout, overwrites every frame, green.
   RIGHT — event log: timestamped lines, scrollable, gold. Capped at 80 lines.
   Toggle with ` (backtick).
*/
.dbg-wrap {
    display: none;
    width: var(--canvas-w);
    background: #07090d;
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    overflow: hidden;
    flex-shrink: 0;
}
.dbg-wrap.is-visible { display: flex; flex-direction: column; }

/* Titlebar — exempt from 0.82rem floor, this is tool chrome */
.dbg-titlebar {
    padding: 3px 8px;
    background: rgba(0,0,0,0.45);
    border-bottom: 1px solid var(--border);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.10em;
    text-transform: uppercase;
    color: var(--text-dim);
    flex-shrink: 0;
}
.dbg-titlebar span { color: var(--accent); }

.dbg-row {
    display: flex;
    gap: 1px;
    height: calc(1.45em * 9 + 10px);   /* 9 visible lines */
    background: var(--border);
}

.dbg-pane {
    flex: 1 1 0;
    background: #07090d;
    padding: 5px 8px;
    overflow: hidden;
}
/* Debug text — exempt from 0.82rem floor, this is a developer console */
.dbg-pane pre {
    margin: 0;
    font-family: 'Cascadia Code', 'Consolas', monospace;
    font-size: 0.80rem;
    line-height: 1.45;
    white-space: pre-wrap;
    word-break: break-word;
}

/* LEFT — two equal pre columns side by side */
.dbg-pane--monitor {
    display: flex;
    gap: 1px;
    overflow: hidden;
    padding: 0;
}
.dbg-pane--monitor .dbg-col {
    flex: 1 1 0;
    overflow-y: auto;
    padding: 5px 8px;
}
.dbg-pane--monitor pre {
    color: #6fd060;
    min-height: calc(1.45em * 9);
}

/* RIGHT — scrollable event log */
.dbg-pane--log {
    overflow-y: auto;
}
.dbg-pane--log pre {
    color: #c8a060;
    min-height: calc(1.45em * 9);
}