/* ===== Reset & Base ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #0f1220;
  --surface: #171b2e;
  --surface-2: #1f2438;
  --border: #2a3050;
  --text: #e6e9f5;
  --muted: #8a91b0;
  --primary: #5b7cfa;
  --primary-hover: #6f8dff;
  --success: #22c55e;
  --danger: #ef4444;
  --warning: #f59e0b;
  --radius: 10px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI",
               "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); }

code {
  background: var(--surface-2);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}

/* ===== Navbar ===== */
.navbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
}
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  padding: 14px 24px;
  display: flex; justify-content: space-between; align-items: center;
}
.logo { font-size: 1.2rem; font-weight: 700; color: var(--text); }
.nav-links { display: flex; align-items: center; gap: 16px; }
.nav-links a { color: var(--muted); font-size: 0.95rem; }
.nav-links a:hover { color: var(--text); }
.nav-user { color: var(--text); font-weight: 500; }
.points-badge {
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 4px 10px; border-radius: 20px;
  font-size: 0.85rem;
}

/* ===== Container ===== */
.container {
  max-width: 1200px; margin: 0 auto;
  padding: 32px 24px;
  flex: 1; width: 100%;
}

/* ===== Buttons ===== */
.btn-primary, .btn-ghost, .btn-danger {
  display: inline-block;
  padding: 9px 18px;
  border-radius: var(--radius);
  border: none;
  font-size: 0.95rem;
  font-family: inherit;
  cursor: pointer;
  transition: all .15s;
  text-align: center;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); color: #fff; }
.btn-primary:disabled { opacity: .5; cursor: not-allowed; }

.btn-ghost {
  background: transparent; color: var(--muted);
  border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--text); border-color: var(--muted); }

.btn-danger { background: transparent; color: var(--danger); border: 1px solid var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }

.btn-lg { padding: 13px 28px; font-size: 1.05rem; }
.btn-sm { padding: 5px 12px; font-size: 0.85rem; }
.btn-block { width: 100%; display: block; }

/* ===== Hero ===== */
.hero { text-align: center; padding: 60px 0 40px; }
.hero h1 { font-size: 2.5rem; margin-bottom: 16px; letter-spacing: -0.5px; }
.hero-sub { color: var(--muted); font-size: 1.1rem; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ===== Features ===== */
.features {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px; margin-top: 40px;
}
.feature-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px 22px;
}
.feature-icon { font-size: 2rem; margin-bottom: 12px; }
.feature-card h3 { margin-bottom: 8px; font-size: 1.1rem; }
.feature-card p { color: var(--muted); font-size: 0.95rem; }

/* ===== Auth Box ===== */
.auth-box {
  max-width: 420px; margin: 40px auto;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 36px 32px;
}
.auth-box h1 { font-size: 1.6rem; margin-bottom: 6px; }
.subtitle { color: var(--muted); margin-bottom: 24px; font-size: 0.95rem; }
.auth-switch { text-align: center; margin-top: 20px; color: var(--muted); font-size: 0.92rem; }

/* ===== Forms ===== */
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block; margin-bottom: 6px;
  font-size: 0.9rem; color: var(--muted);
}
input[type="text"], input[type="email"], input[type="password"],
input[type="number"], textarea, select {
  width: 100%;
  padding: 10px 14px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color .15s;
}
input:focus, textarea:focus, select:focus {
  outline: none; border-color: var(--primary);
}
textarea {
  resize: vertical;
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.88rem;
  line-height: 1.5;
}
.hint { color: var(--muted); font-size: 0.82rem; margin-top: 6px; }

.input-prefix { display: flex; align-items: center; gap: 0; }
.input-prefix .prefix, .input-prefix .suffix {
  background: var(--surface-2); border: 1px solid var(--border);
  padding: 10px 10px; color: var(--muted); font-size: 0.85rem;
  white-space: nowrap;
}
.input-prefix .prefix { border-radius: var(--radius) 0 0 var(--radius); border-right: none; }
.input-prefix .suffix { border-radius: 0 var(--radius) var(--radius) 0; border-left: none; }
.input-prefix input { border-radius: 0; }

.form-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
  max-width: 860px;
}

/* ===== Alerts ===== */
.alert {
  padding: 12px 16px; border-radius: var(--radius);
  margin-bottom: 20px; font-size: 0.92rem;
}
.alert-success { background: rgba(34,197,94,.12); border: 1px solid rgba(34,197,94,.35); color: #86efac; }
.alert-error   { background: rgba(239,68,68,.12); border: 1px solid rgba(239,68,68,.35); color: #fca5a5; }
.alert-info    { background: rgba(91,124,250,.12); border: 1px solid rgba(91,124,250,.35); color: #a5b8ff; }

/* ===== Dashboard ===== */
.dash-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 24px; gap: 16px; flex-wrap: wrap;
}
.dash-head h1 { font-size: 1.7rem; }

.stats-row {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px; margin-bottom: 32px;
}
.stat-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px 20px;
}
.stat-label { color: var(--muted); font-size: 0.85rem; margin-bottom: 6px; }
.stat-value { font-size: 1.5rem; font-weight: 600; }

.section-title { font-size: 1.15rem; margin: 28px 0 16px; }

/* ===== Page list ===== */
.page-list { display: flex; flex-direction: column; gap: 12px; }
.page-item {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px 20px;
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; flex-wrap: wrap;
}
.page-info { flex: 1; min-width: 260px; }
.page-title { font-weight: 600; font-size: 1.05rem; margin-bottom: 4px; }
.page-url { font-size: 0.88rem; word-break: break-all; }
.page-meta { color: var(--muted); font-size: 0.82rem; margin-top: 4px; }
.page-actions { display: flex; gap: 8px; align-items: center; }
.page-actions form { display: inline; }

.empty-state {
  background: var(--surface); border: 1px dashed var(--border);
  border-radius: var(--radius); padding: 48px 24px;
  text-align: center; color: var(--muted);
}
.empty-state p { margin-bottom: 16px; }

.cost-hint {
  background: rgba(91,124,250,.1); border: 1px solid rgba(91,124,250,.3);
  border-radius: var(--radius); padding: 12px 16px;
  margin-bottom: 20px; font-size: 0.92rem;
}

/* ===== Admin ===== */
.admin-nav {
  display: flex; gap: 4px; margin-bottom: 28px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0; flex-wrap: wrap;
}
.admin-nav a {
  padding: 10px 16px; color: var(--muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px; font-size: 0.95rem;
}
.admin-nav a:hover { color: var(--text); }
.admin-nav a.active { color: var(--text); border-bottom-color: var(--primary); }

/* ===== Table ===== */
.data-table {
  width: 100%; border-collapse: collapse;
  background: var(--surface); border-radius: var(--radius);
  overflow: hidden; border: 1px solid var(--border);
  font-size: 0.9rem;
}
.data-table th, .data-table td {
  padding: 11px 14px; text-align: left;
  border-bottom: 1px solid var(--border);
}
.data-table th {
  background: var(--surface-2); color: var(--muted);
  font-weight: 500; font-size: 0.83rem;
  text-transform: uppercase; letter-spacing: .5px;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: rgba(255,255,255,.02); }

.pos { color: var(--success); font-weight: 600; }
.neg { color: var(--danger); font-weight: 600; }
.muted { color: var(--muted); }
.row-actions { display: flex; gap: 6px; }
.inline { display: inline; }
.inline-grant { display: flex; gap: 6px; align-items: center; }
.input-sm { width: 82px !important; padding: 6px 8px !important; font-size: 0.85rem !important; }
.input-md { width: 150px !important; padding: 6px 8px !important; font-size: 0.85rem !important; }

.search-bar { display: flex; gap: 8px; margin-bottom: 20px; max-width: 480px; }
.search-bar input { flex: 1; }

/* ===== Badges ===== */
.badge {
  display: inline-block;
  padding: 2px 9px; border-radius: 20px;
  font-size: 0.75rem; font-weight: 500;
}
.badge-active    { background: rgba(34,197,94,.15); color: #86efac; }
.badge-suspended { background: rgba(239,68,68,.15); color: #fca5a5; }
.badge-admin     { background: rgba(245,158,11,.15); color: #fcd34d; }
.badge-user      { background: rgba(138,145,176,.15); color: var(--muted); }

/* ===== Footer ===== */
.footer {
  text-align: center; padding: 28px 24px;
  color: var(--muted); font-size: 0.85rem;
  border-top: 1px solid var(--border);
  margin-top: auto;
}

/* ===== Responsive ===== */
@media (max-width: 640px) {
  .nav-inner { padding: 12px 16px; }
  .nav-links { gap: 10px; font-size: 0.85rem; }
  .points-badge { display: none; }
  .container { padding: 20px 16px; }
  .hero h1 { font-size: 1.7rem; }
  .auth-box { padding: 26px 20px; margin: 20px auto; }
  .data-table { font-size: 0.82rem; }
  .data-table th, .data-table td { padding: 8px 10px; }
  .inline-grant { flex-wrap: wrap; }
}