:root {
  --bg: #0f1220;
  --panel: #161a2e;
  --panel-2: #1e2340;
  --text: #e7e9f1;
  --muted: #a9afc7;
  --accent: #6c7bff;
  --accent-2: #55d6ff;
  --danger: #ff5c7a;
  --success: #33d17a;
  --warning: #ffd166;

  --rarity-common: #cfd8dc;
  --rarity-uncommon: #8fd3a9;
  --rarity-rare: #6c7bff;
  --rarity-epic: #b06ab3;
  --rarity-legendary: #ffb703;

  --card-w: 180px;
  --card-h: 240px;
  --radius: 12px;
  --shadow: 0 10px 24px rgba(0,0,0,0.3);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: linear-gradient(180deg, #0b0e1a, #141a33 40%, #0f1220 100%);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  min-height: 100%;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 20px;
  position: sticky;
  top: 0;
  background: linear-gradient(180deg, rgba(20,26,51,0.95) 0%, rgba(20,26,51,0.75) 100%);
  backdrop-filter: blur(8px);
  z-index: 10;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.app-header h1 {
  margin: 0;
  font-size: 22px;
  letter-spacing: 0.4px;
}

.stats {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--muted);
  font-size: 14px;
}

.progress {
  width: 220px;
  height: 8px;
  background: #0e1327;
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.06);
}

#progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 280ms ease;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 16px 20px 8px 20px;
}

.controls input[type="text"],
.controls select,
.controls button {
  background: var(--panel);
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 14px;
  outline: none;
  transition: border-color 150ms ease, background 150ms ease, transform 80ms ease;
}

.controls input[type="text"]:focus,
.controls select:focus {
  border-color: var(--accent);
  background: var(--panel-2);
}

.controls button {
  cursor: pointer;
}

.controls button:hover {
  border-color: var(--accent-2);
  transform: translateY(-1px);
}

.controls .danger {
  background: #301a25;
  border-color: rgba(255,92,122,0.2);
  color: #ff9aad;
}

.controls .danger:hover {
  border-color: var(--danger);
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: var(--panel);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 10px;
  user-select: none;
}

main {
  padding: 10px 16px 30px 16px;
}

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

.card {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4;
  min-height: var(--card-h);
  background: radial-gradient(120% 120% at 20% 0%, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.02) 60%, rgba(255,255,255,0) 100%), var(--panel);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,255,255,0.16);
  box-shadow: 0 14px 30px rgba(0,0,0,0.45);
}

.card-thumb {
  position: relative;
  height: 66%;
  overflow: hidden;
  background: #0d1123;
}

.card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(1.05);
}

.card-body {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  gap: 6px 10px;
  padding: 10px;
}

.card-title {
  grid-column: 1 / 2;
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
}

.card-sub {
  grid-column: 1 / 2;
  font-size: 12px;
  color: var(--muted);
}

.badges {
  grid-column: 2 / 3;
  grid-row: 1 / 3;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-end;
}

.badge {
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.06);
  color: var(--text);
}

.badge.number { color: var(--muted); background: rgba(255,255,255,0.04); }

.badge.rarity-common { background: rgba(207,216,220,0.18); border-color: rgba(207,216,220,0.35); color: #e9eef0; }
.badge.rarity-uncommon { background: rgba(143,211,169,0.18); border-color: rgba(143,211,169,0.35); color: #eafff0; }
.badge.rarity-rare { background: rgba(108,123,255,0.18); border-color: rgba(108,123,255,0.35); color: #e7e9ff; }
.badge.rarity-epic { background: rgba(176,106,179,0.18); border-color: rgba(176,106,179,0.35); color: #ffe7ff; }
.badge.rarity-legendary { background: rgba(255,183,3,0.18); border-color: rgba(255,183,3,0.35); color: #fff3cf; }

.card-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding: 8px;
  border-top: 1px solid rgba(255,255,255,0.06);
  background: linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.04) 100%);
}

.btn {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  padding: 6px 10px;
  font-size: 13px;
  cursor: pointer;
  transition: transform 80ms ease, border-color 120ms ease, background 120ms ease;
}

.btn:hover { transform: translateY(-1px); border-color: var(--accent); }
.btn:active { transform: translateY(0); }

.btn.small {
  padding: 4px 8px;
  border-radius: 8px;
}

.wishlist {
  color: #ffd166;
  background: rgba(255,209,102,0.08);
  border-color: rgba(255,209,102,0.35);
}

.wishlist.active {
  background: rgba(255,209,102,0.16);
  box-shadow: inset 0 0 0 1px rgba(255,209,102,0.35);
}

.counter {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.counter .qty {
  min-width: 24px;
  text-align: center;
  font-weight: 600;
  color: var(--text);
}

.owned-flag {
  position: absolute;
  top: 10px;
  left: 10px;
  background: linear-gradient(135deg, rgba(51,209,122,0.95), rgba(108,123,255,0.85));
  color: #09111a;
  padding: 4px 8px;
  font-size: 11px;
  font-weight: 700;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.25);
  letter-spacing: 0.3px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.35);
}

.dupe-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(20,26,51,0.9);
  color: var(--text);
  padding: 4px 8px;
  font-size: 11px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.15);
}

.card.clickable {
  cursor: pointer;
}

.app-footer {
  padding: 14px 20px 30px 20px;
  color: var(--muted);
  text-align: center;
}

/* Responsive tweaks */
@media (max-width: 640px) {
  .app-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .stats {
    width: 100%;
    justify-content: space-between;
  }
  .progress { width: 160px; }
}

/* Utility: hidden */
.hidden { display: none !important; }
/* Auth (login) */
.login-section {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-form {
  width: min(420px, 92vw);
  background: var(--panel);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 20px;
  display: grid;
  gap: 10px;
}

.login-form label {
  font-size: 13px;
  color: var(--muted);
}

.login-form input[type="text"],
.login-form input[type="password"] {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  padding: 10px 12px;
  outline: none;
}

.login-form input[type="text"]:focus,
.login-form input[type="password"]:focus {
  border-color: var(--accent);
}

.login-form button[type="submit"] {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 10px;
  padding: 10px 12px;
  cursor: pointer;
}

.login-form button[type="submit"]:hover {
  border-color: var(--accent);
}

.error {
  color: var(--danger);
  min-height: 1.2em;
  margin: 0;
}

/* Admin & session controls */
.admin-controls {
  display: none; /* toggled to flex for admin */
  gap: 8px;
}

.session-controls {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.muted { color: var(--muted); }

/* Generic buttons (extend existing) */
.btn.danger,
button.danger {
  background: #301a25;
  border-color: rgba(255,92,122,0.25);
  color: #ff9aad;
}
.btn.danger:hover,
button.danger:hover {
  border-color: var(--danger);
}

/* Modals */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(8, 10, 20, 0.65);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: none; /* toggled to block by JS */
  padding: 20px;
}

.modal-content {
  width: min(980px, 96vw);
  margin: 40px auto;
  background: var(--panel);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.45);
  overflow: hidden;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0));
}

.modal-body {
  padding: 14px 16px;
  max-height: calc(80vh - 60px);
  overflow: auto;
}

/* Tables (admin) */
.table-wrap { overflow: auto; border-radius: 10px; }

.admin-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel-2);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 10px;
  overflow: hidden;
}

.admin-table th,
.admin-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  font-size: 14px;
}

.admin-table thead th {
  background: rgba(255,255,255,0.04);
  color: var(--text);
}

.admin-table tbody tr:hover {
  background: rgba(255,255,255,0.03);
}

/* Forms (admin) */
.admin-form {
  display: grid;
  gap: 10px;
  background: var(--panel-2);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 14px;
  border-radius: 10px;
  margin-bottom: 12px;
}

.admin-form label {
  font-size: 13px;
  color: var(--muted);
}

.admin-form input[type="text"],
.admin-form input[type="number"],
.admin-form input[type="url"],
.admin-form select {
  background: var(--panel);
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  padding: 9px 10px;
  outline: none;
}

.admin-form input:focus,
.admin-form select:focus {
  border-color: var(--accent);
}

.form-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 6px;
}
/* ===== Sidebar (collections) ===== */
.app-layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 250px;
  background: var(--panel);
  border-right: 1px solid rgba(255,255,255,0.06);
  padding: 18px 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.sidebar-head {
  display: grid;
  gap: 4px;
}

.sidebar-title {
  font-size: 13px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.sidebar-sub {
  font-size: 12px;
  color: rgba(169,175,199,0.9);
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar-item {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  gap: 4px 10px;
  align-items: center;
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 10px 12px;
  text-align: left;
  cursor: pointer;
  transition: transform 80ms ease, border-color 150ms ease, background 150ms ease;
}

.sidebar-item:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.sidebar-item.active {
  background: radial-gradient(120% 120% at 20% 0%, rgba(255,255,255,0.10) 0%, rgba(255,255,255,0.02) 60%, rgba(255,255,255,0) 100%),
              linear-gradient(90deg, rgba(108,123,255,0.35), rgba(85,214,255,0.18));
  border-color: rgba(108,123,255,0.55);
}

.sidebar-item .label {
  grid-column: 1 / 2;
  grid-row: 1 / 2;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 650;
  font-size: 14px;
}

.sidebar-item .icon {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.06);
}

.sidebar-item .counts {
  grid-column: 1 / 2;
  grid-row: 2 / 3;
  font-size: 12px;
  color: var(--muted);
}

.sidebar-item .pill {
  grid-column: 2 / 3;
  grid-row: 1 / 3;
  justify-self: end;
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.06);
  color: var(--text);
}

.app-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* Make main content padding consistent next to sidebar */
main { padding: 10px 16px 30px 16px; }

/* Responsive: sidebar becomes top bar */
@media (max-width: 900px) {
  .app-layout { flex-direction: column; }
  .sidebar {
    width: 100%;
    border-right: 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
  .sidebar-nav {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }
}

@media (max-width: 560px) {
  .sidebar-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}