:root {
  --bg: #f3f5fb;
  --surface: #ffffff;
  --surface-soft: #eef1fa;
  --border: #e1e5f0;
  --text: #232838;
  --text-muted: #6b7282;
  --accent: #4f6df5;
  --accent-soft: #e8ecff;
  --accent-hover: #3f59d6;
  --danger: #e15b5b;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(30, 41, 71, 0.06), 0 6px 20px rgba(30, 41, 71, 0.06);
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

/* ---------- Lock screen ---------- */

.lock-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 20% 20%, #eef1ff 0%, var(--bg) 55%);
  padding: 20px;
}

.lock-card {
  width: 100%;
  max-width: 340px;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 36px 28px;
  text-align: center;
}

.lock-logo { font-size: 2rem; margin-bottom: 6px; }

.lock-card h1 {
  margin: 0 0 4px;
  font-size: 1.4rem;
  letter-spacing: 0.2px;
}

.lock-sub {
  margin: 0 0 22px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.lock-card input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-size: 1rem;
  margin-bottom: 14px;
  outline: none;
  background: var(--surface-soft);
  transition: border-color 0.15s ease;
}

.lock-card input:focus { border-color: var(--accent); }

.lock-card button {
  width: 100%;
  padding: 12px 14px;
  border: none;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.05s ease;
}

.lock-card button:hover { background: var(--accent-hover); }
.lock-card button:active { transform: translateY(1px); }
.lock-card button:disabled { opacity: 0.6; cursor: default; }

.lock-error {
  margin: 14px 0 0;
  color: var(--danger);
  font-size: 0.85rem;
}

/* ---------- App shell ---------- */

.app { min-height: 100vh; display: flex; flex-direction: column; }

.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 5;
  flex-wrap: wrap;
}

.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}

.brand-name { font-weight: 700; font-size: 1.05rem; }

.search-wrap {
  flex: 1 1 320px;
  min-width: 200px;
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 14px;
  color: var(--text-muted);
  font-size: 1rem;
  pointer-events: none;
}

.search-wrap input {
  width: 100%;
  padding: 10px 36px 10px 36px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface-soft);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.search-wrap input:focus {
  border-color: var(--accent);
  background: var(--surface);
}

.clear-btn {
  position: absolute;
  right: 8px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.9rem;
  padding: 6px;
  border-radius: 8px;
}

.clear-btn:hover { background: var(--surface-soft); color: var(--text); }

.provider-filter {
  flex-shrink: 0;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface-soft);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  outline: none;
  max-width: 200px;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.provider-filter:hover { background: var(--accent-soft); }
.provider-filter:focus { border-color: var(--accent); background: var(--surface); }

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.sync-status {
  font-size: 0.78rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface-soft);
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease, transform 0.15s ease;
}

.icon-btn:hover { background: var(--accent-soft); }
.icon-btn:active { transform: translateY(1px); }

.sync-icon { display: inline-block; transition: transform 0.6s ease; }
.sync-icon.spinning { animation: spin 0.8s linear infinite; }

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ---------- Tabs ---------- */

.tab-bar {
  display: flex;
  gap: 8px;
  padding: 12px 24px;
  overflow-x: auto;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.tab-btn {
  flex-shrink: 0;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-soft);
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.tab-btn:hover { background: var(--accent-soft); color: var(--text); }

.tab-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.tab-count {
  opacity: 0.75;
  font-weight: 500;
  margin-left: 4px;
}

/* ---------- Content ---------- */

.content { padding: 20px 24px 60px; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 14px;
}

.card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  cursor: pointer;
  text-align: left;
  transition: transform 0.12s ease, box-shadow 0.12s ease, border-color 0.12s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: var(--accent);
}

.card-logo {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  color: #fff;
  overflow: hidden;
}

.card-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #fff;
}

.card-body { min-width: 0; }

.card-provider {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 2px;
}

.card-domain {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.empty-state {
  padding: 60px 0;
  text-align: center;
  color: var(--text-muted);
}

@media (max-width: 640px) {
  .topbar { padding: 12px 16px; }
  .content { padding: 16px; }
  .tab-bar { padding: 10px 16px; }
}