/* ============================================================
   College CMS — Admin Panel Stylesheet
   ============================================================ */
:root {
  --admin-sidebar: 260px;
  --admin-navy: #0f2340;
  --admin-navy2: #1a3c6e;
  --admin-gold: #c8a84b;
  --admin-bg: #f0f4f8;
  --admin-white: #ffffff;
  --admin-border: #e2e8f0;
  --admin-text: #1e293b;
  --admin-muted: #64748b;
  --admin-success: #16a34a;
  --admin-danger: #dc2626;
  --admin-warning: #d97706;
  --admin-info: #0284c7;
  --admin-shadow: 0 2px 12px rgba(15,35,64,.1);
  --admin-radius: 10px;
  --transition: all .25s ease;
  --font: 'DM Sans', sans-serif;
}
[data-theme="dark"] {
  --admin-bg: #0d1117;
  --admin-white: #161b22;
  --admin-border: #30363d;
  --admin-text: #e6edf3;
  --admin-muted: #8b949e;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; }
body { font-family: var(--font); color: var(--admin-text); background: var(--admin-bg); line-height: 1.6; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ── Layout ── */
.admin-layout { display: flex; min-height: 100vh; }

/* ── Sidebar ── */
.admin-sidebar {
  width: var(--admin-sidebar); background: var(--admin-navy);
  min-height: 100vh; flex-shrink: 0;
  position: fixed; top: 0; left: 0; bottom: 0; z-index: 200;
  display: flex; flex-direction: column;
  transition: transform .3s ease;
  overflow-y: auto;
}
.sidebar-brand {
  padding: 20px 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  display: flex; align-items: center; gap: 12px;
}
.sidebar-brand-icon { width: 40px; height: 40px; border-radius: 10px; background: var(--admin-gold); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.sidebar-brand-icon i { color: var(--admin-navy); font-size: .9rem; }
.sidebar-brand-text strong { display: block; color: #fff; font-size: .9rem; font-weight: 700; }
.sidebar-brand-text span   { font-size: .68rem; color: rgba(255,255,255,.45); }

.sidebar-nav { flex: 1; padding: 16px 0; }
.sidebar-section-label { font-size: .62rem; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; color: rgba(255,255,255,.3); padding: 12px 20px 6px; }
.sidebar-link {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 20px; font-size: .85rem; color: rgba(255,255,255,.65);
  transition: var(--transition); border-left: 3px solid transparent;
}
.sidebar-link i { width: 18px; text-align: center; font-size: .85rem; flex-shrink: 0; }
.sidebar-link:hover { background: rgba(255,255,255,.06); color: #fff; }
.sidebar-link.active { background: rgba(200,168,75,.12); color: var(--admin-gold); border-left-color: var(--admin-gold); }
.sidebar-badge { margin-left: auto; font-size: .65rem; background: var(--admin-danger); color: #fff; padding: 1px 7px; border-radius: 20px; font-weight: 700; }
.sidebar-footer { padding: 16px 20px; border-top: 1px solid rgba(255,255,255,.08); }

/* ── Main content ── */
.admin-main { flex: 1; margin-left: var(--admin-sidebar); display: flex; flex-direction: column; min-height: 100vh; }

/* ── Top bar ── */
.admin-topbar {
  background: var(--admin-white); border-bottom: 1px solid var(--admin-border);
  padding: 0 24px; height: 60px; display: flex; align-items: center;
  justify-content: space-between; position: sticky; top: 0; z-index: 100;
  box-shadow: var(--admin-shadow);
}
.topbar-left-admin { display: flex; align-items: center; gap: 16px; }
.topbar-right-admin { display: flex; align-items: center; gap: 16px; }
.topbar-title { font-weight: 600; color: var(--admin-text); font-size: .95rem; }
.topbar-btn-icon { width: 36px; height: 36px; border-radius: 8px; border: 1px solid var(--admin-border); background: none; color: var(--admin-muted); display: flex; align-items: center; justify-content: center; cursor: pointer; transition: var(--transition); font-size: .85rem; position: relative; }
.topbar-btn-icon:hover { background: var(--admin-bg); color: var(--admin-text); }
.topbar-btn-icon .badge-dot { position: absolute; top: 6px; right: 6px; width: 8px; height: 8px; border-radius: 50%; background: var(--admin-danger); border: 2px solid var(--admin-white); }
.topbar-user { display: flex; align-items: center; gap: 10px; cursor: pointer; padding: 6px 12px; border-radius: 8px; transition: var(--transition); }
.topbar-user:hover { background: var(--admin-bg); }
.topbar-avatar { width: 34px; height: 34px; border-radius: 50%; background: linear-gradient(135deg, var(--admin-navy) 0%, var(--admin-navy2) 100%); display: flex; align-items: center; justify-content: center; }
.topbar-avatar span { color: var(--admin-gold); font-weight: 700; font-size: .85rem; }
.topbar-user-name { font-size: .85rem; font-weight: 600; color: var(--admin-text); }
.topbar-user-role { font-size: .7rem; color: var(--admin-muted); }

/* ── Page content ── */
.admin-content { flex: 1; padding: 24px; }
.page-header { margin-bottom: 24px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.page-header h1 { font-size: 1.3rem; font-weight: 700; color: var(--admin-text); }
.page-header p  { font-size: .83rem; color: var(--admin-muted); margin-top: 2px; }
.page-breadcrumb { display: flex; gap: 6px; font-size: .78rem; color: var(--admin-muted); margin-top: 4px; }
.page-breadcrumb a { color: var(--admin-navy2); }
.page-breadcrumb a:hover { text-decoration: underline; }

/* ── Stat cards ── */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 24px; }
.stat-card { background: var(--admin-white); border-radius: var(--admin-radius); padding: 20px 24px; box-shadow: var(--admin-shadow); border: 1px solid var(--admin-border); display: flex; align-items: center; gap: 16px; transition: var(--transition); }
.stat-card:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(15,35,64,.15); }
.stat-icon-wrap { width: 52px; height: 52px; border-radius: 12px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.stat-icon-wrap i { font-size: 1.2rem; }
.stat-info-num  { font-size: 1.6rem; font-weight: 700; color: var(--admin-text); line-height: 1; }
.stat-info-label { font-size: .75rem; color: var(--admin-muted); margin-top: 3px; }
.stat-info-change { font-size: .72rem; margin-top: 4px; }
.stat-info-change.up   { color: var(--admin-success); }
.stat-info-change.down { color: var(--admin-danger); }

/* ── Cards / Panels ── */
.admin-card { background: var(--admin-white); border-radius: var(--admin-radius); box-shadow: var(--admin-shadow); border: 1px solid var(--admin-border); overflow: hidden; }
.admin-card-header { padding: 16px 20px; border-bottom: 1px solid var(--admin-border); display: flex; align-items: center; justify-content: space-between; }
.admin-card-header h3 { font-size: .92rem; font-weight: 700; color: var(--admin-text); }
.admin-card-body { padding: 20px; }

/* ── Buttons ── */
.btn-admin { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: 8px; font-size: .82rem; font-weight: 600; border: none; cursor: pointer; transition: var(--transition); font-family: var(--font); }
.btn-primary-admin { background: var(--admin-navy2); color: #fff; }
.btn-primary-admin:hover { background: var(--admin-navy); }
.btn-success-admin { background: var(--admin-success); color: #fff; }
.btn-success-admin:hover { background: #15803d; }
.btn-danger-admin  { background: var(--admin-danger); color: #fff; }
.btn-danger-admin:hover  { background: #b91c1c; }
.btn-warning-admin { background: var(--admin-warning); color: #fff; }
.btn-outline-admin { background: none; border: 1.5px solid var(--admin-border); color: var(--admin-text); }
.btn-outline-admin:hover { background: var(--admin-bg); }
.btn-sm-admin { padding: 5px 12px; font-size: .78rem; }
.btn-gold-admin { background: var(--admin-gold); color: var(--admin-navy); }

/* ── Tables ── */
.admin-table-wrap { overflow-x: auto; }
.admin-table { width: 100%; border-collapse: collapse; font-size: .84rem; }
.admin-table th { padding: 12px 14px; text-align: left; background: var(--admin-bg); color: var(--admin-muted); font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; border-bottom: 1px solid var(--admin-border); white-space: nowrap; }
.admin-table td { padding: 12px 14px; border-bottom: 1px solid var(--admin-border); color: var(--admin-text); vertical-align: middle; }
.admin-table tbody tr:hover td { background: var(--admin-bg); }
.admin-table tbody tr:last-child td { border-bottom: none; }

/* ── Forms ── */
.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; }
.admin-form-group { margin-bottom: 16px; }
.admin-label { display: block; font-size: .8rem; font-weight: 600; color: var(--admin-text); margin-bottom: 5px; }
.admin-input {
  width: 100%; padding: 9px 12px; border-radius: 8px;
  border: 1.5px solid var(--admin-border); background: var(--admin-white);
  font-size: .85rem; color: var(--admin-text); transition: var(--transition);
  font-family: var(--font);
}
.admin-input:focus { outline: none; border-color: var(--admin-navy2); box-shadow: 0 0 0 3px rgba(26,60,110,.1); }
textarea.admin-input { resize: vertical; min-height: 100px; }
select.admin-input { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath fill='%2364748b' d='M5.23 7.21L10 11.98l4.77-4.77 1.42 1.41L10 14.81 3.81 8.62z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; background-size: 14px; padding-right: 36px; }

/* ── Badges ── */
.badge-admin { display: inline-block; padding: 2px 10px; border-radius: 20px; font-size: .7rem; font-weight: 700; }
.badge-success-a { background: rgba(22,163,74,.12); color: #15803d; }
.badge-danger-a  { background: rgba(220,38,38,.12); color: #b91c1c; }
.badge-warning-a { background: rgba(217,119,6,.12); color: #92400e; }
.badge-info-a    { background: rgba(2,132,199,.12); color: #075985; }
.badge-navy-a    { background: rgba(26,60,110,.1); color: var(--admin-navy2); }

/* ── Alerts ── */
.admin-alert { padding: 12px 16px; border-radius: 8px; font-size: .84rem; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; border-left: 4px solid; }
.admin-alert-success { background: rgba(22,163,74,.08); border-color: var(--admin-success); color: #15803d; }
.admin-alert-danger  { background: rgba(220,38,38,.08); border-color: var(--admin-danger); color: #b91c1c; }

/* ── Modals ── */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 999; display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: var(--transition); padding: 20px; }
.modal-overlay.open { opacity: 1; visibility: visible; }
.modal-box { background: var(--admin-white); border-radius: 14px; box-shadow: 0 24px 80px rgba(0,0,0,.25); width: 100%; max-width: 600px; max-height: 90vh; overflow-y: auto; }
.modal-header { padding: 18px 24px; border-bottom: 1px solid var(--admin-border); display: flex; align-items: center; justify-content: space-between; }
.modal-header h3 { font-size: 1rem; font-weight: 700; color: var(--admin-text); }
.modal-close { background: none; border: none; font-size: 1.2rem; cursor: pointer; color: var(--admin-muted); padding: 4px; }
.modal-close:hover { color: var(--admin-danger); }
.modal-body   { padding: 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--admin-border); display: flex; gap: 10px; justify-content: flex-end; }

/* ── Toggle switch ── */
.toggle-wrap { display: flex; align-items: center; gap: 10px; }
.toggle { position: relative; width: 42px; height: 22px; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider { position: absolute; inset: 0; background: var(--admin-border); border-radius: 22px; cursor: pointer; transition: var(--transition); }
.toggle-slider::before { content: ''; position: absolute; width: 16px; height: 16px; left: 3px; top: 3px; background: #fff; border-radius: 50%; transition: var(--transition); }
.toggle input:checked + .toggle-slider { background: var(--admin-success); }
.toggle input:checked + .toggle-slider::before { transform: translateX(20px); }
.toggle-label { font-size: .82rem; color: var(--admin-muted); }

/* ── Hamburger (mobile) ── */
.sidebar-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.sidebar-toggle span { display: block; width: 20px; height: 2px; background: var(--admin-muted); margin: 4px 0; border-radius: 2px; }

/* ── Quick actions ── */
.quick-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 24px; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  :root { --admin-sidebar: 220px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .admin-sidebar { transform: translateX(-100%); }
  .admin-sidebar.open { transform: none; }
  .admin-main { margin-left: 0; }
  .sidebar-toggle { display: block; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .form-grid-2, .form-grid-3 { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .admin-content { padding: 16px; }
}