:root{
  --navy:#14213D; --navy-2:#1C2E52; --navy-3:#253C68; --gold:#C9A227; --gold-light:#E2C158;
  --teal:#C8202B; --teal-dark:#9E1620; --maroon:#6B1017;
  --paper:#F8F9FB; --paper-2:#ECEFF3; --ink:#17202E; --slate:#56616F; --slate-light:#8793A0; --border:#E0E4EA;
  --font-display:'Petrona',serif; --font-body:'Mulish',sans-serif; --font-mono:'IBM Plex Mono',monospace;
  --shadow-sm: 0 2px 8px -2px rgba(20,33,61,.10);
  --shadow-md: 0 12px 28px -12px rgba(20,33,61,.20);
  --shadow-lg: 0 24px 48px -20px rgba(20,33,61,.32);
  --ease: cubic-bezier(.22,.68,0,1);
}
*,*::before,*::after{ box-sizing:border-box; }
body{ margin:0; font-family:var(--font-body); color:var(--ink); background:var(--paper-2); -webkit-font-smoothing:antialiased; }
a{ text-decoration:none; color:inherit; }
img{ max-width:100%; display:block; }
h1,h2,h3,h4{ font-family:var(--font-display); color:var(--navy); margin:0; }

.admin-shell{ display:flex; min-height:100vh; }

/* ---------------- Sidebar ---------------- */
.admin-sidebar{
  width:246px; background:var(--navy);
  background-image:radial-gradient(circle at 100% 0%, rgba(201,154,46,.10), transparent 55%);
  color:var(--paper); flex-shrink:0;
  display:flex; flex-direction:column; position:sticky; top:0; height:100vh;
}
.admin-brand-row{ display:flex; align-items:center; justify-content:space-between; }
.admin-brand{ display:flex; gap:12px; align-items:center; padding:26px 22px; border-bottom:1px solid rgba(244,246,244,.09); flex:1; min-width:0; }
.admin-brand img{ width:34px; flex-shrink:0; }
.admin-brand strong{ display:block; font-family:var(--font-display); font-size:16px; font-weight:600; letter-spacing:.01em; }
.admin-brand span{ display:block; font-family:var(--font-mono); font-size:9.5px; color:var(--teal); letter-spacing:.12em; text-transform:uppercase; margin-top:3px; }

.sidebar-toggle{ display:none; background:none; border:none; color:var(--paper); padding:10px; margin-right:14px; cursor:pointer; flex-shrink:0; }
.sidebar-toggle svg{ width:22px; height:22px; }

.admin-sidebar-collapsible{ display:flex; flex-direction:column; flex:1; min-height:0; }

.admin-nav{ flex:1; padding:18px 14px; overflow-y:auto; }
.admin-nav-label{ font-family:var(--font-mono); font-size:10px; letter-spacing:.14em; text-transform:uppercase; color:rgba(244,246,244,.4); padding:0 12px; margin:18px 0 8px; }
.admin-nav-label:first-child{ margin-top:0; }
.admin-nav a{
  display:flex; align-items:center; gap:12px; padding:10px 12px; font-size:13.5px; font-weight:500;
  color:rgba(244,246,244,.72); border-radius:6px; margin-bottom:2px; position:relative;
  transition:background .18s var(--ease), color .18s var(--ease);
}
.admin-nav a .ic{ width:18px; height:18px; flex-shrink:0; display:flex; align-items:center; justify-content:center; opacity:.85; }
.admin-nav a .ic svg{ width:17px; height:17px; }
.admin-nav a:hover{ background:rgba(244,246,244,.07); color:var(--paper); }
.admin-nav a.active{ background:linear-gradient(90deg, rgba(201,154,46,.16), rgba(201,154,46,.05)); color:var(--gold-light); font-weight:600; }
.admin-nav a.active::before{ content:""; position:absolute; left:-14px; top:8px; bottom:8px; width:3px; background:var(--gold); border-radius:0 3px 3px 0; }
.admin-nav a.active .ic{ opacity:1; }

.admin-sidebar-footer{ padding:18px 22px; border-top:1px solid rgba(244,246,244,.09); display:flex; flex-direction:column; gap:10px; }
.admin-sidebar-footer a{ font-family:var(--font-mono); font-size:11px; color:rgba(244,246,244,.65); text-transform:uppercase; letter-spacing:.06em; display:flex; align-items:center; gap:8px; transition:color .18s; }
.admin-sidebar-footer a:hover{ color:var(--gold-light); }

/* ---------------- Main ---------------- */
.admin-main{ flex:1; min-width:0; }
.admin-topbar{
  background:rgba(247,248,246,.9); backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border); padding:24px 40px;
  display:flex; justify-content:space-between; align-items:center;
  position:sticky; top:0; z-index:5;
}
.admin-topbar h1{ font-size:23px; font-weight:600; }
.admin-user{ font-size:12.5px; color:var(--slate); font-family:var(--font-mono); }
.admin-user strong{ color:var(--navy); font-family:var(--font-body); font-weight:600; }
.admin-content{ padding:32px 40px 70px; max-width:1180px; }

.admin-flash{ margin:22px 40px 0; padding:14px 20px; border-radius:8px; font-size:14px; font-weight:500; box-shadow:var(--shadow-sm); }
.admin-flash-success{ background:#EAF6ED; color:#1F6432; border:1px solid #C9E6CE; }
.admin-flash-error{ background:#FCEBEB; color:#9E1620; border:1px solid #F2C6C6; }

/* ---------------- Panels / cards ---------------- */
.panel{ background:#fff; border:1px solid var(--border); border-radius:10px; padding:28px 30px; margin-bottom:22px; box-shadow:var(--shadow-sm); }
.panel h2{ font-size:17px; margin:0 0 20px; font-weight:600; }
.panel-header{ display:flex; justify-content:space-between; align-items:center; margin-bottom:22px; }
.panel-header h2{ margin:0; }

.stat-cards{ display:grid; grid-template-columns:repeat(auto-fit,minmax(168px,1fr)); gap:16px; margin-bottom:26px; }
.stat-card{ background:#fff; border:1px solid var(--border); border-radius:10px; padding:22px 22px 20px; box-shadow:var(--shadow-sm); position:relative; overflow:hidden; transition:transform .2s var(--ease), box-shadow .2s var(--ease); }
.stat-card:hover{ transform:translateY(-2px); box-shadow:var(--shadow-md); }
.stat-card::before{ content:""; position:absolute; left:0; top:0; bottom:0; width:3px; background:var(--gold); }
.stat-card .num{ font-family:var(--font-display); font-size:30px; font-weight:600; color:var(--navy); line-height:1; }
.stat-card .label{ font-family:var(--font-mono); font-size:11px; text-transform:uppercase; letter-spacing:.06em; color:var(--slate); margin-top:8px; }

/* ---------------- Tables ---------------- */
table.admin-table{ width:100%; border-collapse:collapse; font-size:14px; }
table.admin-table th{ text-align:left; font-family:var(--font-mono); font-size:10.5px; text-transform:uppercase; letter-spacing:.07em; color:var(--slate-light); border-bottom:2px solid var(--border); padding:0 12px 12px; }
table.admin-table td{ padding:14px 12px; border-bottom:1px solid var(--border); vertical-align:middle; }
table.admin-table tr:last-child td{ border-bottom:none; }
table.admin-table tr:hover td{ background:var(--paper); }
.thumb{ width:56px; height:42px; object-fit:cover; border-radius:5px; background:var(--paper-2); box-shadow:var(--shadow-sm); }

.badge{ display:inline-block; font-family:var(--font-mono); font-size:10px; text-transform:uppercase; padding:4px 10px; border-radius:20px; letter-spacing:.05em; font-weight:600; }
.badge-published{ background:#E4F3E8; color:#1F6432; }
.badge-draft{ background:#F1EFE9; color:#8A6D1F; }

/* ---------------- Forms ---------------- */
.form-grid{ display:grid; gap:20px; }
.form-grid.cols-2{ grid-template-columns:1fr 1fr; }
label{ display:block; font-family:var(--font-mono); font-size:11px; text-transform:uppercase; letter-spacing:.05em; font-weight:600; margin-bottom:8px; color:var(--navy); }
input[type=text], input[type=email], input[type=password], input[type=tel], input[type=date], input[type=number], select, textarea{
  width:100%; border:1.5px solid var(--border); border-radius:7px; padding:11px 13px; font-family:var(--font-body); font-size:14px; background:#fff; color:var(--ink);
  transition:border-color .18s var(--ease), box-shadow .18s var(--ease);
}
textarea{ resize:vertical; min-height:110px; }
input:focus, select:focus, textarea:focus{ outline:none; border-color:var(--teal); box-shadow:0 0 0 3px rgba(47,140,147,.12); }
.hint{ font-size:12px; color:var(--slate); margin-top:6px; }
.checkbox-row{ display:flex; align-items:center; gap:9px; }
.checkbox-row input{ width:auto; }
input[type=file]{ font-size:13px; color:var(--slate); }


/* Password field with show/hide toggle */
.password-field{ position:relative; }
.password-field input{ padding-right:44px; }
.toggle-password{
  position:absolute; right:4px; top:50%; transform:translateY(-50%);
  width:34px; height:34px; display:flex; align-items:center; justify-content:center;
  background:none; border:none; cursor:pointer; color:var(--slate-light); border-radius:6px;
  transition:color .18s var(--ease), background .18s var(--ease);
}
.toggle-password:hover{ color:var(--navy); background:var(--paper); }
.toggle-password svg{ width:19px; height:19px; }
.toggle-password .icon-eye-off{ display:none; }
.toggle-password.is-visible .icon-eye{ display:none; }
.toggle-password.is-visible .icon-eye-off{ display:block; }

.auth-links{ display:flex; justify-content:space-between; align-items:center; margin-top:16px; font-family:var(--font-mono); font-size:12px; }
.auth-links a{ color:var(--teal-dark); font-weight:600; }
.auth-links a:hover{ color:var(--navy); }

.security-hint{ background:var(--paper); border:1px solid var(--border); border-radius:8px; padding:16px 18px; font-size:13.5px; color:var(--slate); margin-bottom:20px; }
.security-hint strong{ color:var(--navy); }

/* ---------------- Buttons ---------------- */
.btn{ display:inline-flex; align-items:center; gap:8px; font-family:var(--font-mono); font-size:12px; font-weight:600; letter-spacing:.04em; text-transform:uppercase; padding:11px 22px; border-radius:7px; border:1.5px solid transparent; cursor:pointer; transition:all .18s var(--ease); }
.btn-primary{ background:var(--navy); color:#fff; }
.btn-primary:hover{ background:var(--navy-2); transform:translateY(-1px); box-shadow:var(--shadow-sm); }
.btn-gold{ background:var(--gold); color:var(--navy); }
.btn-gold:hover{ background:var(--gold-light); transform:translateY(-1px); box-shadow:var(--shadow-sm); }
.btn-outline{ background:#fff; border-color:var(--border); color:var(--navy); }
.btn-outline:hover{ border-color:var(--navy); }
.btn-danger{ background:#fff; color:var(--maroon); border-color:#F2C6C6; }
.btn-danger:hover{ background:#FCEBEB; }
.btn-sm{ padding:8px 14px; font-size:10.5px; border-radius:6px; }
.row-actions{ display:flex; gap:8px; }

/* ---------------- Login ---------------- */
.login-wrap{
  min-height:100vh; display:flex; align-items:center; justify-content:center;
  background:linear-gradient(180deg, rgba(20,33,61,.75), rgba(20,33,61,.94)), url('../../img/hero-campus.jpg') center/cover;
  position:relative;
}
.login-card{
  background:rgba(255,255,255,.98); width:100%; max-width:390px; padding:44px 40px;
  border-radius:12px; box-shadow:var(--shadow-lg); position:relative; z-index:1;
}
.login-card img{ width:58px; margin:0 auto 20px; }
.login-card h1{ font-size:21px; text-align:center; margin:0 0 4px; }
.login-card p.sub{ text-align:center; color:var(--slate); font-size:13px; margin:0 0 28px; font-family:var(--font-mono); letter-spacing:.02em; }
.login-error{ background:#FCEBEB; color:var(--maroon); padding:12px 15px; border-radius:7px; font-size:13px; margin-bottom:20px; border:1px solid #F2C6C6; }

.thumb-preview{ width:130px; height:86px; object-fit:cover; border-radius:6px; border:1px solid var(--border); margin-bottom:10px; box-shadow:var(--shadow-sm); }

/* ---------------- Quill editor, on-brand ---------------- */
.ql-toolbar.ql-snow{ border:1.5px solid var(--border); border-bottom:none; border-radius:7px 7px 0 0; background:var(--paper); }
.ql-container.ql-snow{ border:1.5px solid var(--border); border-radius:0 0 7px 7px; font-family:var(--font-body); font-size:14.5px; }
.ql-editor{ min-height:240px; }
.ql-snow.ql-toolbar button:hover, .ql-snow .ql-toolbar button:hover{ color:var(--teal-dark); }
.ql-snow.ql-toolbar button.ql-active, .ql-snow .ql-toolbar button.ql-active{ color:var(--teal-dark); }
.ql-snow .ql-stroke{ stroke:var(--slate); }
.ql-snow .ql-picker{ color:var(--slate); }

@media (max-width: 860px){
  .admin-shell{ flex-direction:column; }
  .admin-sidebar{ width:100%; height:auto; position:sticky; top:0; z-index:60; }
  .admin-brand{ padding:16px 18px; border-bottom:none; }
  .admin-brand img{ width:28px; }
  .admin-brand strong{ font-size:14px; }
  .sidebar-toggle{ display:flex; }
  .admin-sidebar-collapsible{ display:none; max-height:75vh; overflow-y:auto; background:var(--navy); border-top:1px solid rgba(244,246,244,.09); box-shadow:var(--shadow-lg); }
  .admin-sidebar-collapsible.open{ display:flex; }
  .admin-topbar{ position:static; padding:18px 20px; flex-wrap:wrap; gap:8px; }
  .admin-topbar h1{ font-size:19px; }
  .admin-topbar, .admin-content{ padding-left:20px; padding-right:20px; }
  .form-grid.cols-2{ grid-template-columns:1fr; }
  .panel{ padding:22px 18px; overflow-x:auto; -webkit-overflow-scrolling:touch; }
  table.admin-table{ font-size:13px; min-width:560px; }
}

@media (max-width: 480px){
  .stat-cards{ grid-template-columns:repeat(2,1fr); }
  .row-actions{ flex-wrap:wrap; }
  .btn{ padding:10px 16px; }
}