/* ============================================================
   UACJ Motor Health Aggregator - theme system + layout
   Every theme below only redefines CSS variables; all layout rules
   further down reference the variables, so adding a new theme is a
   matter of adding one more [data-theme="..."] block.
   ============================================================ */

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

html {
  --accent: var(--accent-init, #3b82f6);
  color-scheme: dark;
}

/* ---------- Theme: Neon Dark (default) ---------- */
html, [data-theme="neon-dark"] {
  --bg: #0b0f17;
  --bg-alt: #0f1522;
  --header-bg: rgba(13, 18, 28, 0.85);
  --card-bg: #121826;
  --card-bg-hover: #161f31;
  --card-border: #232d40;
  --text: #eef2f8;
  --text-dim: #93a1b8;
  --text-faint: #5c6982;
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
  --modal-overlay: rgba(4, 6, 10, 0.72);
}

/* ---------- Theme: Midnight Purple ---------- */
[data-theme="midnight-purple"] {
  --bg: #100b1e;
  --bg-alt: #150f26;
  --header-bg: rgba(21, 14, 36, 0.85);
  --card-bg: #1b1330;
  --card-bg-hover: #221a3b;
  --card-border: #362a54;
  --text: #f1ecfb;
  --text-dim: #b3a4d6;
  --text-faint: #71638f;
  --shadow: 0 10px 30px rgba(30, 0, 60, 0.4);
  --modal-overlay: rgba(10, 5, 20, 0.75);
  --accent: var(--accent-init, #a855f7);
}

/* ---------- Theme: Ocean Teal ---------- */
[data-theme="ocean-teal"] {
  --bg: #061a1e;
  --bg-alt: #082227;
  --header-bg: rgba(6, 30, 34, 0.85);
  --card-bg: #0c2b31;
  --card-bg-hover: #10353c;
  --card-border: #1c4a52;
  --text: #e6fbfa;
  --text-dim: #8fc4c2;
  --text-faint: #5a8987;
  --shadow: 0 10px 30px rgba(0, 30, 30, 0.4);
  --modal-overlay: rgba(2, 15, 17, 0.75);
  --accent: var(--accent-init, #22d3ee);
}

/* ---------- Theme: Graphite (balanced dark) ---------- */
[data-theme="graphite"] {
  --bg: #17181c;
  --bg-alt: #1c1d22;
  --header-bg: rgba(23, 24, 28, 0.85);
  --card-bg: #212227;
  --card-bg-hover: #26282e;
  --card-border: #34363d;
  --text: #f2f2f3;
  --text-dim: #a8a9b0;
  --text-faint: #6b6c73;
  --shadow: 0 10px 30px rgba(0,0,0,0.4);
  --modal-overlay: rgba(5, 5, 6, 0.72);
  --accent: var(--accent-init, #f59e0b);
}

/* ---------- Theme: Slate Light ---------- */
[data-theme="slate-light"] {
  color-scheme: light;
  --bg: #eef1f6;
  --bg-alt: #e4e8f0;
  --header-bg: rgba(255, 255, 255, 0.85);
  --card-bg: #ffffff;
  --card-bg-hover: #f7f9fc;
  --card-border: #dbe1ec;
  --text: #1b2333;
  --text-dim: #57647c;
  --text-faint: #8b96ab;
  --shadow: 0 8px 24px rgba(30, 41, 59, 0.10);
  --modal-overlay: rgba(20, 26, 38, 0.45);
  --accent: var(--accent-init, #2563eb);
}

/* ---------- Theme: Sunset Amber ---------- */
[data-theme="sunset-amber"] {
  --bg: #1a1209;
  --bg-alt: #21160c;
  --header-bg: rgba(26, 18, 9, 0.85);
  --card-bg: #241a0f;
  --card-bg-hover: #2c2013;
  --card-border: #3f2c18;
  --text: #fbeee0;
  --text-dim: #cba384;
  --text-faint: #8a6c56;
  --shadow: 0 10px 30px rgba(50, 20, 0, 0.4);
  --modal-overlay: rgba(15, 8, 3, 0.75);
  --accent: var(--accent-init, #fb923c);
}

/* ---------- Status colors (constant across themes for legibility) ---------- */
:root {
  --st-healthy: #22c55e;
  --st-warning: #eab308;
  --st-critical: #ef4444;
  --st-warmup: #3b82f6;
  --st-standby: #7b8494;
  --st-reverse: #a855f7;
  --st-jog: #06b6d4;
  --st-buffering: #64748b;
  --st-offline: #4b5563;
}

body {
  background: radial-gradient(1200px 700px at 10% -10%, color-mix(in srgb, var(--accent) 10%, transparent), transparent),
              var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  min-height: 100vh;
}

a { color: var(--accent); }

.btn {
  appearance: none;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.05s ease;
  white-space: nowrap;
}
.btn:hover { background: var(--card-bg-hover); border-color: var(--accent); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #0b0f17; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; }
.btn.danger { border-color: var(--st-critical); color: var(--st-critical); background: transparent; }
.btn.danger:hover { background: color-mix(in srgb, var(--st-critical) 15%, transparent); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

/* ---------- Header ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
  background: var(--header-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--card-border);
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand-icon { width: 40px; height: 40px; border-radius: 10px; flex: none; box-shadow: var(--shadow); }
.brand h1 {
  font-size: 19px;
  margin: 0;
  font-weight: 700;
  letter-spacing: 0.2px;
  outline: none;
  border-radius: 6px;
  padding: 2px 4px;
  margin-left: -4px;
  max-width: 60vw;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.brand h1[contenteditable="true"] { cursor: text; }
.brand h1[contenteditable="true"]:hover, .brand h1[contenteditable="true"]:focus {
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}
.subline {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--text-dim);
  flex-wrap: wrap;
  margin-top: 2px;
}

.site-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  font-weight: 600;
  font-size: 11px;
}
.site-chip .dot { width: 7px; height: 7px; border-radius: 50%; flex: none; }
.site-chip.live .dot { background: var(--st-healthy); box-shadow: 0 0 6px var(--st-healthy); }
.site-chip.stale .dot { background: var(--st-warning); box-shadow: 0 0 6px var(--st-warning); }
.site-chip.offline .dot { background: var(--st-critical); box-shadow: 0 0 6px var(--st-critical); }

.toolbar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.theme-picker { display: flex; align-items: center; gap: 10px; }
.theme-picker label {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--text-dim); font-weight: 600;
}
.theme-picker select {
  background: var(--card-bg);
  color: var(--text);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 6px 8px;
  font-size: 13px;
}
.theme-picker input[type="color"] {
  width: 34px; height: 30px;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  background: none;
  padding: 2px;
  cursor: pointer;
}
.toolbar.locked .theme-picker { opacity: 0.5; pointer-events: none; }

/* ---------- Site filter bar ---------- */
.filter-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  padding: 12px 24px 0;
  color: var(--text-dim);
  font-size: 12px;
}
.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  cursor: pointer;
  user-select: none;
  font-weight: 600;
}
.filter-chip input { accent-color: var(--accent); }
.filter-chip.off { opacity: 0.45; }

/* ---------- Grid + cards ---------- */
.motor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  padding: 18px 24px 40px;
}

.motor-card {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-top: 3px solid var(--card-accent, var(--st-buffering));
  border-radius: 14px;
  padding: 16px;
  box-shadow: var(--shadow);
  transition: transform 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.motor-card:hover { background: var(--card-bg-hover); }
.motor-card.sortable-ghost { opacity: 0.35; }
.motor-card.sortable-chosen { transform: scale(1.02); box-shadow: 0 16px 40px rgba(0,0,0,0.45); }
.motor-card.is-offline { opacity: 0.55; filter: grayscale(0.4); }
.motor-card.is-stale { opacity: 0.85; }

.card-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.site-badge {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  color: var(--accent);
  white-space: nowrap;
}
.status-pill {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 999px;
  color: #06131f;
  background: var(--card-accent, var(--st-buffering));
  white-space: nowrap;
}

.card-drag-handle {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 22px;
  height: 22px;
  border-radius: 6px;
  display: none;
  align-items: center;
  justify-content: center;
  color: var(--text-faint);
  cursor: grab;
  font-size: 14px;
  background: var(--bg-alt);
  border: 1px solid var(--card-border);
}
body.edit-mode .card-drag-handle { display: flex; }
body.edit-mode .motor-card { padding-right: 40px; }
.card-drag-handle:active { cursor: grabbing; }

.card-icon { display: flex; justify-content: center; margin: 2px 0; }
.card-icon svg { width: 48px; height: 48px; }

.card-name {
  font-size: 15px;
  font-weight: 700;
  text-align: center;
  border-radius: 6px;
  padding: 2px 6px;
  outline: none;
  word-break: break-word;
}
.card-name.custom::after {
  content: " *";
  color: var(--text-faint);
  font-weight: 400;
}
body.edit-mode .card-name { cursor: text; }
body.edit-mode .card-name:hover, body.edit-mode .card-name:focus {
  background: color-mix(in srgb, var(--accent) 14%, transparent);
}

.card-health { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.health-num { font-size: 30px; font-weight: 800; line-height: 1; }
.health-num span { font-size: 15px; font-weight: 600; color: var(--text-dim); }
.health-bar {
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background: var(--bg-alt);
  overflow: hidden;
}
.health-fill {
  height: 100%;
  border-radius: 999px;
  background: var(--card-accent, var(--st-buffering));
  transition: width 0.4s ease;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-dim);
  gap: 8px;
}
.card-meta span:last-child { text-align: right; max-width: 60%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.card-link {
  text-align: center;
  font-size: 12.5px;
  font-weight: 600;
  text-decoration: none;
  padding-top: 6px;
  border-top: 1px dashed var(--card-border);
}
.card-link:hover { text-decoration: underline; }

.card-footer-row { display: flex; gap: 8px; }
.hide-btn {
  display: none;
  flex: 1;
  font-size: 11px;
  padding: 6px;
  border-radius: 8px;
  border: 1px solid var(--card-border);
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
}
body.edit-mode .hide-btn { display: block; }
.hide-btn:hover { border-color: var(--st-critical); color: var(--st-critical); }

.site-note {
  font-size: 11px;
  color: var(--text-faint);
  text-align: center;
}

.hidden-tray {
  margin: 0 24px 30px;
  padding: 14px;
  border: 1px dashed var(--card-border);
  border-radius: 12px;
  color: var(--text-dim);
  font-size: 13px;
  display: none;
}
body.edit-mode .hidden-tray.has-items { display: block; }
.hidden-tray h3 { margin: 0 0 8px; font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-faint); }
.hidden-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  padding: 4px 6px 4px 12px;
  margin: 4px 6px 0 0;
  font-size: 12px;
}
.hidden-chip button {
  border: none;
  background: var(--accent);
  color: #0b0f17;
  border-radius: 999px;
  width: 20px; height: 20px;
  font-size: 12px;
  cursor: pointer;
}

.empty-state {
  margin: 60px auto;
  text-align: center;
  color: var(--text-dim);
  max-width: 420px;
  padding: 0 20px;
}

/* ---------- Manage sites panel ---------- */
.sites-panel {
  margin: 0 24px 24px;
  padding: 16px;
  border-radius: 14px;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  display: none;
}
body.edit-mode .sites-panel.open { display: block; }
.sites-panel h2 { margin: 0 0 12px; font-size: 14px; }
.site-row {
  display: grid;
  grid-template-columns: 90px 1fr 1.6fr 70px 34px;
  gap: 8px;
  align-items: center;
  margin-bottom: 8px;
}
.site-row input[type="text"], .site-row input[type="url"] {
  width: 100%;
  background: var(--bg-alt);
  border: 1px solid var(--card-border);
  color: var(--text);
  border-radius: 8px;
  padding: 6px 8px;
  font-size: 12.5px;
}
.site-row .del-btn {
  border: none;
  background: transparent;
  color: var(--text-faint);
  cursor: pointer;
  font-size: 16px;
}
.site-row .del-btn:hover { color: var(--st-critical); }
.sites-panel-actions { display: flex; gap: 8px; margin-top: 10px; }

/* ---------- Footer ---------- */
.foot {
  display: flex;
  justify-content: space-between;
  padding: 16px 24px 30px;
  font-size: 11.5px;
  color: var(--text-faint);
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- Modal ---------- */
.modal {
  position: fixed;
  inset: 0;
  background: var(--modal-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 20px;
}
.modal[hidden] { display: none; }
.modal-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 22px;
  width: 100%;
  max-width: 340px;
  box-shadow: var(--shadow);
}
.modal-card h2 { margin: 0 0 14px; font-size: 16px; }
.modal-card input[type="password"] {
  width: 100%;
  background: var(--bg-alt);
  border: 1px solid var(--card-border);
  color: var(--text);
  border-radius: 8px;
  padding: 9px 10px;
  font-size: 14px;
  margin-bottom: 10px;
}
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; }
.error-text { color: var(--st-critical); font-size: 12.5px; margin-top: 8px; min-height: 1em; }

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text);
  padding: 10px 18px;
  border-radius: 10px;
  font-size: 13px;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 60;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); pointer-events: auto; }
.toast.error { border-color: var(--st-critical); }

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .topbar { padding: 12px 16px; }
  .brand h1 { max-width: 50vw; font-size: 16px; }
  .filter-bar, .motor-grid, .hidden-tray, .sites-panel, .foot { padding-left: 16px; padding-right: 16px; margin-left: 0; margin-right: 0; }
  .site-row { grid-template-columns: 1fr; }
}