/* ESP FlashJS — application shell.
 *
 * Components carry their own styles inside shadow roots; this file defines the
 * layout and the design tokens they inherit through CSS custom properties.
 */

:root {
  --sans: system-ui, -apple-system, "Segoe UI", "Noto Sans JP", "Noto Sans SC", sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  --bg: #ffffff;
  --bg-panel: #f7f8fa;
  --bg-input: #ffffff;
  --bg-button: #eef0f4;
  --bg-button-hover: #e3e6ec;
  --bg-row-alt: #00000006;

  --fg: #1a1d23;
  --fg-dim: #4a5060;
  --fg-muted: #767d8c;
  --border: #d8dce4;

  --accent: #2563eb;
  --accent-fg: #ffffff;
  --accent-soft: #bfdbfe;
  --select: #2563eb;
  --select-fg: #ffffff;

  --ok: #15803d;
  --warn: #b45309;
  --danger: #dc2626;

  --map-app: #2563eb;
  --map-nvs: #7c3aed;
  --map-ota: #0891b2;
  --map-fs: #15803d;
  --map-data: #64748b;
  --map-gap: #b0b7c3;
  --map-system: #b45309;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --bg-panel: #1b1e24;
    --bg-input: #22262e;
    --bg-button: #272b34;
    --bg-button-hover: #323742;
    --bg-row-alt: #ffffff08;

    --fg: #e6e9ef;
    --fg-dim: #b3b9c5;
    --fg-muted: #8b93a3;
    --border: #333944;

    --accent: #4f8cf7;
    --accent-fg: #0c1016;
    --accent-soft: #1e3a68;
    --select: #4f8cf7;
    --select-fg: #0c1016;

    --ok: #4ade80;
    --warn: #fbbf24;
    --danger: #f87171;

    --map-app: #4f8cf7;
    --map-nvs: #a78bfa;
    --map-ota: #22d3ee;
    --map-fs: #4ade80;
    --map-data: #94a3b8;
    --map-gap: #4b5563;
    --map-system: #fbbf24;
  }
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
}

body {
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.5;
  overflow: hidden;
}

/* Avoid a flash of untranslated keys before i18n resolves. */
body:not([data-ready]) main,
body:not([data-ready]) .topbar { visibility: hidden; }

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

.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-panel);
}

.topbar h1 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.topbar .tagline {
  color: var(--fg-muted);
  font-size: 12px;
}

.topbar .spacer { flex: 1; }

.topbar a {
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 12px;
}
.topbar a:hover { color: var(--fg); text-decoration: underline; }

#version { color: var(--fg-muted); font-size: 11px; font-family: var(--mono); }

select {
  background: var(--bg-input);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 4px 6px;
  font: inherit;
  font-size: 12px;
}

/* Device strip -------------------------------------------------------- */

.device-strip {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  max-height: 30vh;
  overflow: auto;
}

/* Main layout --------------------------------------------------------- */

main {
  display: grid;
  grid-template-columns: minmax(240px, 320px) 1fr;
  min-height: 0;
  overflow: hidden;
}

.pane {
  min-height: 0;
  overflow: auto;
  display: flex;
  flex-direction: column;
}

.pane-left {
  border-right: 1px solid var(--border);
  padding: 12px;
  gap: 18px;
}

.pane-right { overflow: hidden; }

section h2 {
  margin: 0 0 8px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--fg-muted);
}

.section-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.section-actions button {
  background: var(--bg-button);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 4px 10px;
  font: inherit;
  font-size: 12px;
  cursor: pointer;
}
.section-actions button:hover:not(:disabled) { background: var(--bg-button-hover); }
.section-actions button:disabled { opacity: 0.45; cursor: not-allowed; }

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

#progress {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  border-top: 1px solid var(--border);
  background: var(--bg-panel);
  font-size: 12px;
}

#progress[hidden] { display: none; }

.progress-track {
  flex: 1;
  height: 6px;
  border-radius: 3px;
  background: var(--bg-button);
  overflow: hidden;
}

#progress-fill {
  height: 100%;
  width: 0;
  background: var(--accent);
  transition: width 120ms linear;
}

#progress-cancel {
  background: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--fg-muted);
  padding: 2px 8px;
  font: inherit;
  cursor: pointer;
}

/* Log ----------------------------------------------------------------- */

.log-pane {
  border-top: 1px solid var(--border);
  height: 150px;
  background: var(--bg-panel);
}

/* Pane tabs (narrow screens only) ------------------------------------- */

#pane-tabs { display: none; }

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

  #pane-tabs {
    display: flex;
    gap: 2px;
    padding: 0 14px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-panel);
  }

  #pane-tabs button {
    background: none;
    border: 0;
    border-bottom: 2px solid transparent;
    padding: 8px 12px;
    font: inherit;
    font-size: 13px;
    color: var(--fg-muted);
    cursor: pointer;
  }
  #pane-tabs button[aria-selected="true"] {
    color: var(--fg);
    border-bottom-color: var(--accent);
  }

  body:not([data-pane="right"]) .pane-right { display: none; }
  body[data-pane="right"] .pane-left { display: none; }

  .log-pane { height: 110px; }
}