/* ════════════════════════════════════════════════════════════
   Admin Panel — admin.css
   ════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@300;400;500&family=Syne:wght@400;600;700&display=swap');

:root {
  --bg:    #0f1117;
  --bg2:   #181c27;
  --bg3:   #1e2235;
  --bg4:   #242840;
  --border:#2a2f4a;
  --border2:#353c60;
  --text:  #e8eaf6;
  --text2: #8890b8;
  --text3: #555e8a;
  --amber: #f5a623;
  --amber2:#ffc65a;
  --amber3:rgba(245,166,35,0.08);
  --green: #22c88a;
  --green3:rgba(34,200,138,0.1);
  --red:   #f5506a;
  --red3:  rgba(245,80,106,0.1);
  --blue:  #4a9eff;
  --blue3: rgba(74,158,255,0.1);
  --muted: rgba(245,166,35,0.08);
  --radius:6px;
  --radius-lg:10px;
  --font: 'IBM Plex Mono', monospace;
  --font-head: 'Syne', sans-serif;
  --trans: 0.18s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; }
body { background: var(--bg); color: var(--text); font-family: var(--font); font-weight: 300; line-height: 1.6; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: var(--font); }
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 2px; }

/* ─── Login ──────────────────────────────────────────────────── */
.login-body { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--bg); }
.login-wrap { width: 380px; padding: 48px 40px; background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius-lg); }
.login-logo { display: flex; align-items: center; gap: 10px; font-family: var(--font-head); font-size: 18px; font-weight: 700; margin-bottom: 32px; color: var(--text); }
.logo-accent { color: var(--amber); }
.login-title { font-family: var(--font-head); font-size: 22px; font-weight: 600; margin-bottom: 24px; }
.login-form { display: flex; flex-direction: column; gap: 16px; }
.login-back { display: block; text-align: center; margin-top: 20px; font-size: 12px; color: var(--text3); }
.login-back:hover { color: var(--amber); }

/* ─── Layout ─────────────────────────────────────────────────── */
.admin-layout { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }

/* ─── Sidebar ─────────────────────────────────────────────────── */
.sidebar {
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.sidebar-logo { padding: 24px 20px 20px; border-bottom: 1px solid var(--border); }
.logo-mark { font-family: var(--font-head); font-size: 17px; font-weight: 700; color: var(--text); }
.logo-sub { font-size: 10px; color: var(--text3); letter-spacing: 1.5px; text-transform: uppercase; margin-top: 3px; }
.sidebar-nav { padding: 16px 12px; flex: 1; }
.nav-section-label { font-size: 9px; letter-spacing: 2px; text-transform: uppercase; color: var(--text3); padding: 0 8px; margin-bottom: 6px; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 10px; border-radius: var(--radius);
  color: var(--text2); font-size: 13px; cursor: pointer;
  margin-bottom: 2px; transition: var(--trans);
  border: 1px solid transparent;
}
.nav-item:hover { background: var(--bg3); color: var(--text); }
.nav-item.active { background: var(--amber3); color: var(--amber); border-color: rgba(245,166,35,0.15); }
.nav-icon { font-size: 14px; width: 18px; text-align: center; }
.nav-badge { margin-left: auto; background: var(--amber); color: #1a0f00; font-size: 9px; font-weight: 600; padding: 1px 6px; border-radius: 10px; }
.sidebar-footer { padding: 16px; border-top: 1px solid var(--border); margin-top: auto; }
.sidebar-user { display: flex; align-items: center; gap: 10px; }
.user-avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--amber3); border: 1px solid rgba(245,166,35,0.3); display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 600; color: var(--amber); font-family: var(--font-head); flex-shrink: 0; }
.user-name { font-size: 12px; color: var(--text); font-weight: 500; }
.user-role { font-size: 10px; color: var(--text3); }

/* ─── Main ────────────────────────────────────────────────────── */
.admin-main { display: flex; flex-direction: column; min-height: 100vh; background: var(--bg); }
.admin-topbar {
  display: flex; align-items: center; gap: 16px;
  padding: 14px 28px; border-bottom: 1px solid var(--border);
  background: var(--bg2); position: sticky; top: 0; z-index: 50;
}
.sidebar-toggle { display: none; background: none; border: none; color: var(--text2); font-size: 18px; padding: 4px; }
.page-title { font-family: var(--font-head); font-size: 18px; font-weight: 600; color: var(--text); flex: 1; }
.topbar-right { display: flex; gap: 10px; }
.admin-content { flex: 1; padding: 28px; max-width: 1300px; }
.flash-wrap { padding: 0 28px 0; }

/* ─── Cards ──────────────────────────────────────────────────── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.card-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px; border-bottom: 1px solid var(--border);
}
.card-title { font-family: var(--font-head); font-size: 15px; font-weight: 600; color: var(--text); }

/* ─── Stats ──────────────────────────────────────────────────── */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.stat-card {
  background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 20px 24px; position: relative; overflow: hidden;
}
.stat-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; }
.accent-amber::before { background: var(--amber); }
.accent-blue::before  { background: var(--blue); }
.accent-green::before { background: var(--green); }
.accent-red::before   { background: var(--red); }
.stat-label { font-size: 10px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--text3); margin-bottom: 10px; }
.stat-value { font-family: var(--font-head); font-size: 2rem; font-weight: 700; color: var(--text); }
.stat-icon { position: absolute; right: 20px; top: 50%; transform: translateY(-50%); font-size: 2rem; opacity: 0.08; }
.dash-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 20px; }

/* ─── Progress ───────────────────────────────────────────────── */
.progress-bg { height: 4px; background: var(--bg4); border-radius: 2px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--amber); border-radius: 2px; transition: width 0.6s ease; }

/* ─── Table ──────────────────────────────────────────────────── */
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table thead tr { border-bottom: 1px solid var(--border); }
.data-table thead th { padding: 10px 24px; font-size: 10px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--text3); text-align: left; font-weight: 400; white-space: nowrap; }
.data-table tbody tr { border-bottom: 1px solid var(--border); transition: background var(--trans); }
.data-table tbody tr:last-child { border-bottom: none; }
.data-table tbody tr:hover { background: var(--bg3); }
.data-table tbody td { padding: 13px 24px; color: var(--text2); vertical-align: middle; }
.row-unread { background: rgba(245,166,35,0.03); }
.empty-cell { text-align: center; color: var(--text3); padding: 32px !important; }
.empty-cell a { color: var(--amber); }
.text-muted { color: var(--text2); }

/* ─── Badges ─────────────────────────────────────────────────── */
.badge { display: inline-block; padding: 3px 9px; border-radius: 4px; font-size: 10px; font-weight: 500; letter-spacing: 0.5px; cursor: default; }
.badge-green  { background: var(--green3); color: var(--green); }
.badge-amber  { background: var(--amber3); color: var(--amber); }
.badge-red    { background: var(--red3);   color: var(--red); }
.badge-blue   { background: var(--blue3);  color: var(--blue); }
.badge-muted  { background: var(--bg4); color: var(--text3); }
a.badge { transition: var(--trans); }
a.badge:hover { filter: brightness(1.2); }

/* ─── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 18px; border-radius: var(--radius);
  font-family: var(--font); font-size: 12px;
  letter-spacing: 0.5px; border: none; cursor: pointer;
  transition: var(--trans);
}
.btn-primary { background: var(--amber); color: #1a0f00; font-weight: 500; }
.btn-primary:hover { background: var(--amber2); }
.btn-ghost { background: transparent; color: var(--text2); border: 1px solid var(--border2); }
.btn-ghost:hover { background: var(--bg3); color: var(--text); }
.btn-full { width: 100%; justify-content: center; }
.btn-sm {
  display: inline-flex; align-items: center;
  padding: 5px 12px; border-radius: var(--radius);
  font-size: 11px; cursor: pointer; transition: var(--trans);
  letter-spacing: 0.3px; border: none;
}
.btn-sm.btn-ghost { border: 1px solid var(--border); color: var(--text2); background: transparent; }
.btn-sm.btn-ghost:hover { background: var(--bg3); color: var(--text); border-color: var(--border2); }
.btn-sm.btn-danger { background: var(--red3); color: var(--red); border: 1px solid rgba(245,80,106,0.2); }
.btn-sm.btn-danger:hover { background: rgba(245,80,106,0.2); }
.action-btns { display: flex; gap: 6px; }

/* ─── Forms ──────────────────────────────────────────────────── */
.admin-form { display: flex; flex-direction: column; gap: 20px; padding: 24px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label, .field-label {
  font-size: 10px; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--text3);
}
.form-group input, .form-group select, .form-group textarea {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 10px 14px;
  color: var(--text); font-family: var(--font); font-size: 13px;
  outline: none; transition: border-color var(--trans);
  width: 100%;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--amber);
}
.form-group input[type="file"] { padding: 8px; cursor: pointer; }
.form-group textarea { resize: vertical; min-height: 80px; }
.form-group select option { background: var(--bg2); }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.form-checkboxes { display: flex; gap: 24px; flex-wrap: wrap; }
.checkbox-label { display: flex; align-items: center; gap: 8px; cursor: pointer; color: var(--text2); font-size: 13px; }
.checkbox-label input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--amber); }
.form-actions { display: flex; gap: 12px; padding-top: 8px; }
.file-hint { font-size: 11px; color: var(--text3); }

/* ─── Alerts ─────────────────────────────────────────────────── */
.alert { padding: 12px 16px; border-radius: var(--radius); font-size: 13px; margin-bottom: 4px; }
.alert-success { background: var(--green3); border: 1px solid rgba(34,200,138,0.2); color: var(--green); }
.alert-danger  { background: var(--red3);   border: 1px solid rgba(245,80,106,0.2);  color: var(--red); }
.alert-warning { background: var(--amber3); border: 1px solid rgba(245,166,35,0.2);  color: var(--amber); }

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .dash-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .admin-layout { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed; left: -220px; top: 0; bottom: 0; z-index: 200;
    transition: left var(--trans); box-shadow: 4px 0 20px rgba(0,0,0,0.5);
  }
  .sidebar.open { left: 0; }
  .sidebar-toggle { display: block; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .form-grid-2, .form-grid-3 { grid-template-columns: 1fr; }
  .admin-content { padding: 16px; }
  .data-table thead th:nth-child(n+4), .data-table tbody td:nth-child(n+4) { display: none; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
}