:root {
  --bg: #f7f7f9;
  --panel: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --line-2: #cbd5e1;
  --accent: #6001d2;
  --accent-deep: #4a00a8;
  --accent-light: #f0e6ff;
  --success: #11774f;
  --danger: #b73333;
  --warning: #b45309;
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 4px 12px rgba(15, 23, 42, 0.06);
  --radius: 0.5rem;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "Inter", -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}
button { font-family: inherit; cursor: pointer; }
a { color: inherit; }
.hidden { display: none !important; }

/* ===== LOGIN ===== */
.login-gate {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #1e1b4b 0%, #6001d2 100%);
  padding: 1rem;
}
.login-card {
  background: #fff; border-radius: 1rem;
  padding: 2.2rem 2rem; width: 100%; max-width: 380px;
  text-align: center; box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  display: flex; flex-direction: column; gap: 0.7rem;
}
.login-logo { font-size: 2.5rem; }
.login-card h1 { font: 800 1.4rem/1.2 inherit; }
.login-card p { font-size: 0.85rem; color: var(--muted); }
.login-card input {
  width: 100%; padding: 0.75rem 0.9rem;
  border: 1px solid var(--line-2); border-radius: var(--radius);
  font: 500 0.95rem/1 inherit; outline: 0;
  margin-top: 0.5rem;
}
.login-card input:focus { border-color: var(--accent); }
.login-card button {
  background: var(--accent); color: #fff; border: 0;
  padding: 0.8rem; border-radius: var(--radius);
  font: 700 0.9rem/1 inherit;
}
.login-card button:hover { background: var(--accent-deep); }
.login-hint { font-size: 0.75rem; color: var(--muted); }
.login-hint code { background: #f1f5f9; padding: 0.1rem 0.35rem; border-radius: 4px; font-size: 0.78rem; }
.login-error { font-size: 0.82rem; color: var(--danger); min-height: 1em; }
.login-back { font-size: 0.8rem; color: var(--accent); text-decoration: none; margin-top: 0.5rem; }
.login-back:hover { text-decoration: underline; }

/* ===== SHELL ===== */
.admin-shell { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }

/* SIDEBAR */
.admin-sidebar {
  background: #0f172a; color: #cbd5e1;
  display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.admin-brand {
  padding: 1.2rem 1.2rem 0.9rem;
  display: flex; align-items: center; gap: 0.4rem;
  border-bottom: 1px solid #1e293b;
}
.brand-dot { color: var(--accent); font-size: 1rem; }
.admin-brand strong { font: 800 1rem/1 inherit; color: #fff; }
.brand-tag {
  margin-left: auto;
  font: 700 0.62rem/1 inherit;
  background: var(--accent); color: #fff;
  padding: 0.25rem 0.45rem; border-radius: 4px;
  text-transform: uppercase; letter-spacing: 0.05em;
}

.admin-nav { padding: 0.6rem 0.6rem; flex: 1; display: flex; flex-direction: column; gap: 0.15rem; }
.admin-nav-item {
  background: none; border: 0; color: #94a3b8;
  text-align: left; padding: 0.6rem 0.75rem;
  font: 500 0.85rem/1 inherit; border-radius: 6px;
}
.admin-nav-item:hover { background: #1e293b; color: #fff; }
.admin-nav-item.active {
  background: var(--accent); color: #fff; font-weight: 700;
}

.admin-foot {
  padding: 1rem; border-top: 1px solid #1e293b;
  display: flex; flex-direction: column; gap: 0.4rem;
}
.admin-foot a, .admin-foot button {
  background: none; border: 0; color: #cbd5e1;
  font: 500 0.82rem/1 inherit; padding: 0.4rem;
  text-align: left; text-decoration: none; border-radius: 4px;
}
.admin-foot a:hover, .admin-foot button:hover { background: #1e293b; color: #fff; }

/* ===== MAIN ===== */
.admin-main { padding: 0; max-width: 100%; min-width: 0; }
.admin-topbar {
  position: sticky; top: 0; z-index: 5;
  background: rgba(255, 255, 255, 0.85);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  padding: 0.9rem 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
}
.admin-topbar h2 { font: 800 1.15rem/1 inherit; }
.status-pill {
  font: 600 0.72rem/1 inherit;
  padding: 0.3rem 0.6rem; border-radius: 999px;
  background: #d1fae5; color: var(--success);
  opacity: 0; transform: translateY(-4px);
  transition: opacity 0.2s, transform 0.2s;
}
.status-pill.show { opacity: 1; transform: translateY(0); }
.admin-content { padding: 1.5rem; max-width: 1100px; }

/* ===== STAT CARDS ===== */
.stat-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem; margin-bottom: 2rem;
}
.stat-card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.1rem;
  display: flex; flex-direction: column; gap: 0.4rem;
}
.stat-card .stat-label {
  font: 600 0.72rem/1 inherit; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.05em;
}
.stat-card .stat-value { font: 800 1.8rem/1 inherit; color: var(--text); }
.stat-card .stat-icon {
  font-size: 1.4rem; align-self: flex-start;
  background: var(--accent-light); color: var(--accent);
  padding: 0.5rem; border-radius: 8px; line-height: 1;
}

/* ===== PANEL ===== */
.panel {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.3rem;
  margin-bottom: 1.3rem; box-shadow: var(--shadow);
}
.panel-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1rem; flex-wrap: wrap; gap: 0.6rem;
}
.panel-header h3 { font: 700 1rem/1 inherit; }
.panel-header p { font-size: 0.82rem; color: var(--muted); }

/* ===== FORMS ===== */
.form-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.85rem;
}
.form-row {
  display: flex; flex-direction: column; gap: 0.3rem;
}
.form-row.full { grid-column: 1 / -1; }
.form-row label { font: 600 0.78rem/1 inherit; color: var(--text); }
.form-row input,
.form-row textarea,
.form-row select {
  font: 400 0.88rem/1.4 inherit;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--line-2); border-radius: var(--radius);
  outline: 0; background: #fff;
  font-family: inherit;
}
.form-row textarea { resize: vertical; min-height: 60px; }
.form-row input:focus, .form-row textarea:focus, .form-row select:focus { border-color: var(--accent); }
.form-row .hint { font-size: 0.72rem; color: var(--muted); }
.form-row input[type="color"] { padding: 0.2rem; height: 38px; cursor: pointer; }

.form-actions {
  margin-top: 1rem; display: flex; gap: 0.5rem; flex-wrap: wrap;
}
.btn {
  background: var(--accent); color: #fff; border: 0;
  padding: 0.6rem 1.1rem; border-radius: var(--radius);
  font: 600 0.85rem/1 inherit;
}
.btn:hover { background: var(--accent-deep); }
.btn.ghost {
  background: transparent; color: var(--text);
  border: 1px solid var(--line-2);
}
.btn.ghost:hover { background: #f8fafc; }
.btn.danger { background: var(--danger); }
.btn.danger:hover { background: #8a2727; }
.btn.sm { padding: 0.4rem 0.75rem; font-size: 0.78rem; }

/* ===== TABLES / LISTS ===== */
.tbl {
  width: 100%; border-collapse: collapse; background: #fff;
}
.tbl th, .tbl td {
  text-align: left; padding: 0.7rem 0.8rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.85rem; vertical-align: middle;
}
.tbl th {
  font: 600 0.72rem/1 inherit; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.04em;
  background: #f8fafc;
}
.tbl tr:last-child td { border-bottom: 0; }
.tbl tr:hover td { background: #fafbfc; }
.tbl-actions { display: flex; gap: 0.35rem; }

.pill {
  display: inline-block; padding: 0.18rem 0.5rem;
  border-radius: 999px; background: var(--accent-light);
  color: var(--accent); font: 600 0.7rem/1.4 inherit;
}
.pill.green { background: #d1fae5; color: var(--success); }
.pill.amber { background: #fef3c7; color: var(--warning); }
.pill.red { background: #fee2e2; color: var(--danger); }

.thumb-mini {
  width: 32px; height: 32px; border-radius: 6px;
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1rem;
}

.empty {
  text-align: center; padding: 2rem 1rem;
  color: var(--muted); font-size: 0.88rem;
}

/* ===== EDIT INLINE FORM ===== */
.edit-form { background: #f8fafc; border: 1px dashed var(--line-2); border-radius: var(--radius); padding: 1rem; margin-bottom: 1rem; }
.edit-form-title { font: 700 0.82rem/1 inherit; margin-bottom: 0.7rem; color: var(--accent); }

/* ===== JSON BACKUP AREA ===== */
.json-area {
  width: 100%; min-height: 240px;
  font: 400 0.78rem/1.5 ui-monospace, Consolas, monospace;
  border: 1px solid var(--line-2); border-radius: var(--radius);
  padding: 0.8rem; outline: 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 800px) {
  .admin-shell { grid-template-columns: 1fr; }
  .admin-sidebar {
    position: static; height: auto;
    flex-direction: row; flex-wrap: wrap;
    overflow-x: auto;
  }
  .admin-nav { flex-direction: row; flex-wrap: wrap; flex: 1 1 100%; }
  .admin-nav-item { flex: 0 0 auto; font-size: 0.78rem; padding: 0.5rem 0.6rem; }
  .admin-foot { flex-direction: row; }
  .admin-main { padding: 1rem; }
  .admin-header { padding: 1rem 0 0.8rem; }
  .admin-header h1 { font-size: 1.5rem; }
  .admin-header p { font-size: 0.85rem; }
  .form-grid { grid-template-columns: 1fr; gap: 1rem; }
  .btn-group { flex-direction: column; }
  .btn-group button { width: 100%; }
  .data-table { font-size: 0.85rem; }
  .data-table th, .data-table td { padding: 0.6rem 0.4rem; }
}

@media (max-width: 480px) {
  .login-card {
    padding: 1.5rem 1.2rem;
    max-width: 100%;
  }
  .login-logo { font-size: 2rem; }
  .login-card h1 { font-size: 1.2rem; }
  .login-card input { padding: 0.6rem 0.8rem; }
  .login-card button { padding: 0.7rem; }
  .admin-sidebar {
    padding: 0.8rem 0.6rem;
  }
  .admin-brand {
    padding: 0.8rem 0.6rem;
    flex-direction: column;
    text-align: center;
    gap: 0.3rem;
  }
  .brand-tag {
    margin-left: 0;
  }
  .admin-nav {
    padding: 0.4rem;
    gap: 0.1rem;
  }
  .admin-nav-item {
    font-size: 0.72rem;
    padding: 0.4rem 0.5rem;
    text-align: center;
  }
  .admin-main { padding: 0.8rem 0.6rem; }
  .admin-header {
    padding: 0.8rem 0 0.6rem;
  }
  .admin-header h1 { font-size: 1.3rem; }
  .admin-header p { font-size: 0.8rem; }
  .form-grid { gap: 0.8rem; }
  .form-group label { font-size: 0.85rem; }
  .form-group input, .form-group select, .form-group textarea {
    padding: 0.6rem 0.8rem;
    font-size: 0.9rem;
  }
  .btn { padding: 0.6rem 1rem; font-size: 0.85rem; }
  .btn-small { padding: 0.4rem 0.8rem; font-size: 0.75rem; }
  .data-table {
    font-size: 0.75rem;
    border-radius: 0.4rem;
  }
  .data-table th, .data-table td {
    padding: 0.5rem 0.3rem;
  }
  .json-area {
    min-height: 180px;
    font-size: 0.72rem;
    padding: 0.6rem;
  }
}