/* Resource Monitor — Modern Glassmorphism Design 2025 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --bg:           #0a0e1a;
  --bg2:          #0f1628;
  --glass:        rgba(255,255,255,0.06);
  --glass-hover:  rgba(255,255,255,0.10);
  --glass-border: rgba(255,255,255,0.12);
  --glass-strong: rgba(255,255,255,0.15);
  --text:         #f0f4ff;
  --text-2:       #a8b4cc;
  --text-3:       #6b7a99;
  --accent:       #4f9cf9;
  --accent-glow:  rgba(79,156,249,0.3);
  --input-bg:     rgba(255,255,255,0.05);

  --normal:   #22c55e;
  --caution:  #f59e0b;
  --warning:  #f97316;
  --critical: #ef4444;
  --nodata:   #6b7a99;

  --normal-bg:   rgba(34,197,94,0.12);
  --caution-bg:  rgba(245,158,11,0.12);
  --warning-bg:  rgba(249,115,22,0.12);
  --critical-bg: rgba(239,68,68,0.12);
  --nodata-bg:   rgba(107,122,153,0.12);

  --radius:    16px;
  --radius-sm: 10px;
  --shadow:    0 8px 32px rgba(0,0,0,0.4);
  --shadow-sm: 0 4px 16px rgba(0,0,0,0.3);
}

[data-theme="light"] {
  --bg:           #f0f4ff;
  --bg2:          #e8edf8;
  --glass:        rgba(255,255,255,0.7);
  --glass-hover:  rgba(255,255,255,0.9);
  --glass-border: rgba(0,0,0,0.08);
  --glass-strong: rgba(255,255,255,0.95);
  --text:         #1a2035;
  --text-2:       #4a5568;
  --text-3:       #9aa5b4;
  --accent:       #2563eb;
  --accent-glow:  rgba(37,99,235,0.2);
  --input-bg:     rgba(255,255,255,0.8);
}

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

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-size: 15px;
  line-height: 1.6;
  background-image:
    radial-gradient(ellipse at 20% 0%, rgba(79,156,249,0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(139,92,246,0.06) 0%, transparent 50%);
}

[data-theme="light"] #topbar {
  background: rgba(240,244,255,0.95);
  border-bottom-color: rgba(0,0,0,0.1);
}

[data-theme="light"] #tabs {
  background: rgba(240,244,255,0.9);
}
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--glass-border); border-radius: 3px; }

/* ── Top Bar ─────────────────────────────────────────────────────────── */
#topbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: rgba(10,14,26,0.8);
  border-bottom: 1px solid var(--glass-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: sticky;
  top: 0;
  z-index: 100;
  flex-wrap: wrap;
}

.logo {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #4f9cf9, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}
.logo span {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--text-3);
  -webkit-text-fill-color: var(--text-3);
  margin-left: 0.5rem;
}

#user-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
}

#user-bar input {
  background: var(--input-bg);
  border: 1px solid var(--glass-border);
  color: var(--text);
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  width: 140px;
  transition: all 0.2s;
}
#user-bar input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

/* ── Buttons ─────────────────────────────────────────────────────────── */
.btn {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  background: var(--glass);
  color: var(--text);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s;
  white-space: nowrap;
}
.btn:hover { background: var(--glass-hover); border-color: var(--glass-strong); }

.btn-accent {
  background: linear-gradient(135deg, rgba(79,156,249,0.2), rgba(139,92,246,0.2));
  border-color: rgba(79,156,249,0.4);
  color: #7ab8fb;
}
.btn-accent:hover {
  background: linear-gradient(135deg, rgba(79,156,249,0.3), rgba(139,92,246,0.3));
  box-shadow: 0 0 20px var(--accent-glow);
}

.btn-danger { border-color: rgba(239,68,68,0.3); color: #f87171; }
.btn-danger:hover { background: rgba(239,68,68,0.1); }

.btn-sm { padding: 0.35rem 0.7rem; font-size: 0.8rem; }

/* ── Alert Banner ────────────────────────────────────────────────────── */
#alert-banner {
  display: none;
  background: linear-gradient(135deg, rgba(239,68,68,0.15), rgba(249,115,22,0.1));
  border-bottom: 1px solid rgba(239,68,68,0.3);
  padding: 0.75rem 1.5rem;
  font-size: 0.9rem;
  color: #fca5a5;
  font-weight: 500;
}
#alert-banner.show { display: block; }

/* ── Tabs ────────────────────────────────────────────────────────────── */
#tabs {
  display: flex;
  padding: 0 1.5rem;
  background: rgba(10,14,26,0.6);
  border-bottom: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  overflow-x: auto;
  gap: 0.25rem;
}

.tab-btn {
  padding: 0.875rem 1.25rem;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-3);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  white-space: nowrap;
  transition: all 0.2s;
  letter-spacing: 0.01em;
}
.tab-btn:hover { color: var(--text-2); }
.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ── Tab Panels ──────────────────────────────────────────────────────── */
.tab-panel { display: none; padding: 1.75rem 1.5rem; max-width: 1400px; margin: 0 auto; }
.tab-panel.active { display: block; }

/* ── Glass Card ──────────────────────────────────────────────────────── */
.card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  transition: all 0.25s;
}
.card:hover {
  background: var(--glass-hover);
  border-color: var(--glass-strong);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

/* ── Section Title ───────────────────────────────────────────────────── */
.section-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-3);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--glass-border);
}

/* ── Risk Badge ──────────────────────────────────────────────────────── */
.risk-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.7rem;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.risk-NORMAL   { background: var(--normal-bg);   color: var(--normal);   border: 1px solid rgba(34,197,94,0.25); }
.risk-CAUTION  { background: var(--caution-bg);  color: var(--caution);  border: 1px solid rgba(245,158,11,0.25); }
.risk-WARNING  { background: var(--warning-bg);  color: var(--warning);  border: 1px solid rgba(249,115,22,0.25); }
.risk-CRITICAL { background: var(--critical-bg); color: var(--critical); border: 1px solid rgba(239,68,68,0.25); }
.risk-NO_DATA  { background: var(--nodata-bg);   color: var(--nodata);   border: 1px solid rgba(107,122,153,0.25); }
.risk-UNKNOWN  { background: var(--nodata-bg);   color: var(--nodata);   border: 1px solid rgba(107,122,153,0.25); }

/* ── Resource Card ───────────────────────────────────────────────────── */
.resource-card .rc-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}
.resource-card .rc-icon {
  font-size: 1.75rem;
  line-height: 1;
  margin-bottom: 0.5rem;
}
.resource-card .rc-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}
.resource-card .rc-name-zh {
  font-size: 0.8rem;
  color: var(--text-3);
  margin-top: 0.1rem;
}
.resource-card .rc-price {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
  margin: 0.75rem 0 0.25rem;
  line-height: 1;
}
.resource-card .rc-price span {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-3);
  margin-left: 0.25rem;
}
.resource-card .rc-updated {
  font-size: 0.75rem;
  color: var(--text-3);
  margin-top: 0.5rem;
}
.resource-card .rc-note {
  font-size: 0.78rem;
  color: var(--text-3);
  font-style: italic;
  margin-top: 0.4rem;
}

/* ── Search ──────────────────────────────────────────────────────────── */
.search-wrap {
  position: relative;
  margin-bottom: 1rem;
}
.search-wrap input {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--glass-border);
  color: var(--text);
  padding: 0.75rem 1rem 0.75rem 2.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  transition: all 0.2s;
}
.search-wrap input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
  background: rgba(79,156,249,0.05);
}
.search-wrap input::placeholder { color: var(--text-3); }
.search-wrap .search-icon {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-3);
  font-size: 1rem;
  pointer-events: none;
}

#search-results {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
  max-height: 320px;
  overflow-y: auto;
  backdrop-filter: blur(12px);
}

.search-result-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--glass-border);
  gap: 1rem;
  transition: background 0.15s;
}
.search-result-item:last-child { border-bottom: none; }
.search-result-item:hover { background: var(--glass-hover); }
.search-result-item .item-name { font-size: 0.9rem; font-weight: 500; }
.search-result-item .item-sub { font-size: 0.78rem; color: var(--text-3); margin-top: 0.15rem; }

/* ── Watchlist Card ──────────────────────────────────────────────────── */
.watchlist-item {
  margin-bottom: 1rem;
}
.watchlist-item .wl-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
  gap: 1rem;
}
.watchlist-item .wl-name { font-size: 1rem; font-weight: 600; }
.watchlist-item .wl-sub { font-size: 0.8rem; color: var(--text-3); margin-top: 0.2rem; }

.price-chips {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}
.price-chip {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  font-size: 0.82rem;
  transition: all 0.2s;
}
.price-chip.cheapest {
  border-color: rgba(34,197,94,0.4);
  background: rgba(34,197,94,0.08);
}
.price-chip .shop {
  font-size: 0.7rem;
  color: var(--text-3);
  display: block;
  margin-bottom: 0.15rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.price-chip .price { font-weight: 700; font-size: 0.95rem; }
.price-chip.cheapest .price { color: var(--normal); }
.price-chip .offer { font-size: 0.68rem; color: var(--normal); display: block; margin-top: 0.1rem; }

.chart-mini { height: 48px; margin: 0.4rem 0; overflow: hidden; }

.threshold-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--text-3);
  flex-wrap: wrap;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--glass-border);
}
.threshold-row input[type=number] {
  width: 64px;
  background: var(--input-bg);
  border: 1px solid var(--glass-border);
  color: var(--text);
  padding: 0.3rem 0.5rem;
  border-radius: 6px;
  font-size: 0.85rem;
  text-align: center;
}
.threshold-msg { font-size: 0.78rem; }

/* ── Stockpile ───────────────────────────────────────────────────────── */
.stockpile-entry {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.days-ring {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
  border: 2px solid;
}
.days-ok    { border-color: var(--normal);   color: var(--normal);   background: var(--normal-bg); }
.days-warn  { border-color: var(--caution);  color: var(--caution);  background: var(--caution-bg); }
.days-low   { border-color: var(--critical); color: var(--critical); background: var(--critical-bg); }
.days-ring .days-label { font-size: 0.55rem; font-weight: 500; opacity: 0.8; }

.stockpile-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.875rem;
  margin-top: 1rem;
}
.form-group label {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-3);
  display: block;
  margin-bottom: 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.form-group input, .form-group select {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--glass-border);
  color: var(--text);
  padding: 0.625rem 0.875rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  transition: all 0.2s;
}
.form-group input:focus, .form-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-group select option { background: #1a2035; }

/* ── Settings ────────────────────────────────────────────────────────── */
.settings-block {
  margin-bottom: 2rem;
}
.settings-block h3 {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-3);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--glass-border);
}
.settings-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.875rem;
  flex-wrap: wrap;
}
.settings-row label {
  font-size: 0.875rem;
  color: var(--text-2);
  min-width: 150px;
  font-weight: 500;
}
.settings-row input {
  flex: 1;
  min-width: 220px;
  background: var(--input-bg);
  border: 1px solid var(--glass-border);
  color: var(--text);
  padding: 0.625rem 0.875rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  transition: all 0.2s;
}
.settings-row input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.toggle-group { display: flex; gap: 0.375rem; }
.toggle-btn {
  padding: 0.45rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--glass-border);
  background: transparent;
  color: var(--text-3);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.2s;
}
.toggle-btn.active {
  background: linear-gradient(135deg, rgba(79,156,249,0.2), rgba(139,92,246,0.2));
  border-color: rgba(79,156,249,0.5);
  color: #7ab8fb;
}

/* ── Preparedness ────────────────────────────────────────────────────── */
.prep-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.875rem 0;
  border-bottom: 1px solid var(--glass-border);
}
.prep-row:last-child { border-bottom: none; }
.prep-icon { font-size: 1.5rem; width: 2rem; text-align: center; flex-shrink: 0; }
.prep-info { flex: 1; }
.prep-name { font-size: 0.95rem; font-weight: 600; }
.prep-desc { font-size: 0.78rem; color: var(--text-3); margin-top: 0.15rem; }
.prep-qty { font-size: 1.1rem; font-weight: 700; color: var(--accent); white-space: nowrap; }
.buy-now {
  background: linear-gradient(135deg, rgba(239,68,68,0.2), rgba(249,115,22,0.15));
  color: #fca5a5;
  border: 1px solid rgba(239,68,68,0.3);
  border-radius: 6px;
  padding: 0.25rem 0.6rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

/* ── Fuel Table ──────────────────────────────────────────────────────── */
.fuel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.75rem;
}
.fuel-chip {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 0.875rem 1rem;
}
.fuel-chip .fuel-type { font-size: 0.75rem; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.05em; }
.fuel-chip .fuel-vendor { font-size: 0.85rem; font-weight: 600; margin: 0.2rem 0; }
.fuel-chip .fuel-price { font-size: 1.3rem; font-weight: 700; color: var(--accent); }
.fuel-chip .fuel-unit { font-size: 0.75rem; color: var(--text-3); }

/* ── Misc ────────────────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  color: var(--text-3);
  padding: 2.5rem 1rem;
  font-size: 0.9rem;
}
.empty-state .empty-icon { font-size: 2.5rem; margin-bottom: 0.75rem; opacity: 0.5; }
.loading { color: var(--text-3); font-size: 0.875rem; padding: 1rem 0; }
.error-msg { color: #f87171; font-size: 0.875rem; padding: 0.5rem 0; }

/* ── Responsive ──────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  #topbar { padding: 0.75rem 1rem; }
  .tab-panel { padding: 1.25rem 1rem; }
  .card-grid { grid-template-columns: 1fr; }
  .stockpile-form-grid { grid-template-columns: 1fr; }
  .settings-row label { min-width: unset; width: 100%; }
  .settings-row input { min-width: unset; width: 100%; }
  .resource-card .rc-price { font-size: 1.6rem; }
  .fuel-grid { grid-template-columns: 1fr 1fr; }
}

/* ── Light theme topbar/tabs fix ────────────────────────────────────── */
[data-theme="light"] #topbar { background: rgba(240,244,255,0.95); }
[data-theme="light"] #tabs   { background: rgba(240,244,255,0.9); }

/* ── Scrollbar ───────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--glass-border); border-radius: 3px; }

/* ── Active card (expanded) ──────────────────────────────────────────── */
.resource-card.card-active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow), var(--shadow);
}
.resource-card[style*="cursor"] { user-select: none; }