:root {
  --bg: #f5f7fb;
  --panel: #ffffff;
  --panel-2: #eef3ff;
  --text: #172033;
  --muted: #60708e;
  --line: #dbe4f0;
  --accent: #0053e2;
  --accent-strong: #003bb3;
  --danger: #c62828;
  --success-bg: #edf8ef;
  --shadow: 0 12px 30px rgba(20, 31, 61, 0.08);
}

body.dark {
  --bg: #0f1625;
  --panel: #172133;
  --panel-2: #1e2a40;
  --text: #eef4ff;
  --muted: #b5c2db;
  --line: #2b3952;
  --accent: #4d8dff;
  --accent-strong: #7aa9ff;
  --danger: #ff7a7a;
  --success-bg: #1a2b1d;
  --shadow: 0 12px 30px rgba(0, 0, 0, 0.28);
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
}
button, input {
  font: inherit;
}
button { cursor: pointer; }
.hidden { display: none !important; }

.app-shell {
  width: 100%;
  min-height: 100vh;
  padding-bottom: 110px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  padding: max(14px, env(safe-area-inset-top)) 16px 14px;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.topbar h1 {
  margin: 0;
  font-size: 1.6rem;
}
.subtitle {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}
.topbar-actions {
  display: flex;
  gap: 10px;
}
.ghost-btn, .icon-btn, .delete-btn {
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 14px;
}
.icon-btn { padding: 10px 12px; }
.ghost-btn:hover, .icon-btn:hover, .delete-btn:hover { filter: brightness(0.98); }

.content {
  max-width: 1180px;
  margin: 0 auto;
  padding: 16px;
}
.summary-card {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 16px;
  box-shadow: var(--shadow);
}
.summary-label {
  color: var(--muted);
  font-size: 0.88rem;
  margin-bottom: 6px;
}
.summary-value {
  font-size: 1.6rem;
  font-weight: 700;
}
.summary-small {
  font-size: 1rem;
  font-weight: 600;
}
.status-box {
  margin-top: 16px;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 16px;
  padding: 14px 16px;
  box-shadow: var(--shadow);
}
.watch-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
}
.watch-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 16px;
  box-shadow: var(--shadow);
}
.watch-card-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 12px;
}
.watch-title {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.35;
}
.watch-meta {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.92rem;
}
.delete-btn {
  color: var(--danger);
  white-space: nowrap;
}
.watch-store-list {
  display: grid;
  gap: 10px;
}
.store-chip {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 12px 14px;
  background: var(--panel-2);
}
.store-name {
  font-weight: 700;
}
.store-meta {
  color: var(--muted);
  font-size: 0.88rem;
  margin-top: 2px;
}
.store-count {
  font-weight: 700;
  font-size: 0.95rem;
}
.no-hits {
  border: 1px dashed var(--line);
  border-radius: 16px;
  padding: 16px;
  color: var(--muted);
  text-align: center;
}
.empty-state {
  margin: 36px auto 0;
  max-width: 560px;
  text-align: center;
  color: var(--muted);
}
.empty-state h2 {
  color: var(--text);
}
.empty-icon {
  font-size: 3rem;
}
.fab {
  position: fixed;
  right: 16px;
  bottom: calc(16px + env(safe-area-inset-bottom));
  z-index: 30;
  border: none;
  background: var(--accent);
  color: #fff;
  border-radius: 999px;
  padding: 16px 20px;
  font-weight: 700;
  box-shadow: 0 16px 34px rgba(0, 83, 226, 0.28);
}
.primary-btn {
  border: none;
  background: var(--accent);
  color: #fff;
  border-radius: 14px;
  padding: 12px 16px;
  font-weight: 700;
}
.overlay-backdrop {
  position: fixed;
  inset: 0;
  z-index: 39;
  background: rgba(8, 16, 31, 0.45);
}
.overlay {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 16px;
}
.overlay-card {
  width: min(760px, 100%);
  max-height: min(86vh, 900px);
  overflow: auto;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 18px;
}
.overlay-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 16px;
}
.overlay-header h2 {
  margin: 0 0 6px;
}
.overlay-header p {
  margin: 0;
  color: var(--muted);
}
.search-block {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}
.search-block input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
  background: var(--panel);
  color: var(--text);
}
.search-hint {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 10px 2px 0;
}
.search-results {
  margin-top: 14px;
  display: grid;
  gap: 10px;
}
.search-result {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  background: var(--panel-2);
}
.search-result-title {
  font-weight: 700;
}
.search-result-meta {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 760px) {
  .summary-card { grid-template-columns: 1fr; }
  .watch-grid { grid-template-columns: 1fr; }
  .search-block { grid-template-columns: 1fr; }
  .watch-card-header, .search-result, .store-chip {
    flex-direction: column;
    align-items: stretch;
  }
  .delete-btn, .primary-btn, .ghost-btn { width: 100%; }
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }
  .topbar-actions {
    width: 100%;
  }
  .fab {
    left: 16px;
    right: 16px;
    text-align: center;
  }
}