:root{
  --g-900:#0d3f14;--g-800:#14532d;--g-700:#1b5e20;--g-600:#2e7d32;--g-500:#43a047;
  --g-100:#e8f5e9;--g-50:#f1f8e9;
  --bg:#f4f7f4;--white:#fff;--border:#e0e6e0;
  --text:#212121;--muted:#666;--danger:#c62828;
  --shadow-sm:0 2px 8px rgba(13,63,20,.08);
  --shadow:0 8px 24px rgba(13,63,20,.10);
  --radius:12px;
}
*{box-sizing:border-box}
body{margin:0;font-family:'Inter',sans-serif;background:var(--bg);color:var(--text);font-size:14px}
a{color:var(--g-700);text-decoration:none}
img{max-width:100%}

/* LAYOUT */
.admin-shell{display:grid;grid-template-columns:260px 1fr;min-height:100vh}
.sidebar{background:linear-gradient(180deg,var(--g-900),var(--g-700));color:#fff;padding:24px 0;position:sticky;top:0;height:100vh;overflow-y:auto}
.sidebar-brand{display:flex;align-items:center;justify-content:center;padding:0 16px 24px;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:16px}
.sidebar-brand img{width:100%;height:auto;max-width:100%;object-fit:contain;border-radius:6px;background:#fff;padding:10px;display:block}
.sidebar-brand strong{display:block;color:#fff;font-size:1.05rem}
.sidebar-brand span{font-size:.75rem;opacity:.7;letter-spacing:1px;text-transform:uppercase}
.sidebar-nav{display:flex;flex-direction:column;padding:0 12px;gap:2px}
.sidebar-nav a{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:8px;color:rgba(255,255,255,.85);font-size:.9rem;font-weight:500;transition:all .2s}
.sidebar-nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.sidebar-nav a.active{background:var(--g-500);color:#fff;box-shadow:0 4px 12px rgba(67,160,71,.3)}
.sidebar-nav a.external{margin-top:24px;border-top:1px solid rgba(255,255,255,.1);padding-top:20px;border-radius:0}
.sidebar-nav a.logout{color:#ffcdd2}
.sidebar-nav a.logout:hover{background:rgba(244,67,54,.2);color:#fff}

.admin-main{display:flex;flex-direction:column;min-width:0}
.admin-header{background:#fff;padding:24px 32px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;gap:24px;box-shadow:var(--shadow-sm)}
.admin-header h1{margin:0;font-size:1.5rem;color:var(--g-900);font-weight:700}
.admin-header p{margin:4px 0 0;color:var(--muted);font-size:.9rem}
.admin-user{display:flex;align-items:center;gap:12px;font-size:.9rem}
.avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--g-600),var(--g-500));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1rem;box-shadow:var(--shadow-sm)}

.admin-content{padding:32px;flex:1}

/* CARDS / PANELS */
.panel{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:24px;margin-bottom:24px}
.panel h2{margin:0 0 16px;font-size:1.15rem;color:var(--g-900)}
.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;gap:12px;flex-wrap:wrap}
.panel-head h2{margin:0}

/* GRID OF STATS */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-bottom:32px}
.stat-card{background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden;display:flex;align-items:center;gap:16px;transition:transform .2s,box-shadow .2s}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.stat-card .ic{width:56px;height:56px;border-radius:12px;background:var(--g-100);color:var(--g-700);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.stat-card .num{font-size:1.8rem;font-weight:700;color:var(--g-900);line-height:1}
.stat-card .lbl{font-size:.85rem;color:var(--muted);margin-top:4px}

/* TABLES */
table.data{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
table.data th,table.data td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--border);font-size:.9rem;vertical-align:middle}
table.data th{background:var(--g-50);color:var(--g-900);font-weight:600;font-size:.8rem;letter-spacing:.5px;text-transform:uppercase}
table.data tr:last-child td{border-bottom:none}
table.data tr:hover td{background:#fafdf9}
.thumb{width:54px;height:54px;border-radius:8px;background-size:cover;background-position:center;background-color:var(--g-100);display:inline-block}
.thumb.lg{width:80px;height:60px}

.row-actions{display:flex;gap:6px}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 18px;border-radius:8px;border:none;font-family:inherit;font-weight:600;font-size:.85rem;cursor:pointer;transition:all .2s;text-decoration:none;letter-spacing:.3px}
.btn-primary{background:var(--g-700);color:#fff}
.btn-primary:hover{background:var(--g-600);transform:translateY(-1px);box-shadow:var(--shadow-sm);color:#fff}
.btn-secondary{background:#f0f0f0;color:var(--text)}
.btn-secondary:hover{background:#e0e0e0}
.btn-danger{background:#ffebee;color:var(--danger)}
.btn-danger:hover{background:var(--danger);color:#fff}
.btn-success{background:var(--g-500);color:#fff}
.btn-sm{padding:6px 12px;font-size:.78rem}

/* FORMS */
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.form-grid.single{grid-template-columns:1fr}
.fg{display:flex;flex-direction:column}
.fg.full{grid-column:1/-1}
.fg label{font-size:.8rem;font-weight:600;color:var(--g-900);margin-bottom:6px;letter-spacing:.3px;text-transform:uppercase}
.fg input,.fg select,.fg textarea{padding:11px 14px;border:1px solid var(--border);border-radius:8px;font-family:inherit;font-size:.95rem;background:#fafafa;transition:all .2s;outline:none}
.fg input:focus,.fg select:focus,.fg textarea:focus{border-color:var(--g-500);background:#fff;box-shadow:0 0 0 3px rgba(67,160,71,.15)}
.fg textarea{min-height:130px;resize:vertical;font-family:inherit;line-height:1.6}
.fg textarea.tall{min-height:240px}
.fg small{color:var(--muted);font-size:.8rem;margin-top:6px}

.form-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:24px;padding-top:24px;border-top:1px solid var(--border)}

/* FILE PREVIEW */
.file-preview{margin-top:8px;padding:8px;background:#fafafa;border-radius:8px;border:1px dashed var(--border)}
.file-preview img{max-height:140px;border-radius:6px;display:block}

/* ALERTS */
.alert{padding:14px 18px;border-radius:8px;margin-bottom:20px;font-size:.92rem;font-weight:500}
.alert-success{background:#e8f5e9;color:#1b5e20;border-left:4px solid var(--g-500)}
.alert-error{background:#ffebee;color:var(--danger);border-left:4px solid var(--danger)}
.alert-info{background:#e3f2fd;color:#1565c0;border-left:4px solid #1976d2}

/* BADGES */
.badge{display:inline-block;padding:3px 10px;border-radius:50px;font-size:.7rem;font-weight:600;letter-spacing:.5px;text-transform:uppercase}
.badge-ok{background:#e8f5e9;color:#1b5e20}
.badge-off{background:#ffebee;color:#c62828}
.badge-feat{background:#fff8e1;color:#f57f17}

/* LOGIN */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--g-900),var(--g-700));padding:24px;position:relative;overflow:hidden}
.login-wrap::before,.login-wrap::after{content:'';position:absolute;border-radius:50%;background:rgba(165,214,167,.15);filter:blur(40px)}
.login-wrap::before{width:400px;height:400px;top:-100px;right:-100px}
.login-wrap::after{width:500px;height:500px;bottom:-150px;left:-150px}
.login-card{background:#fff;border-radius:18px;padding:42px;width:100%;max-width:420px;box-shadow:0 20px 60px rgba(0,0,0,.3);position:relative;z-index:1}
.login-card .logo{text-align:center;margin-bottom:24px}
.login-card .logo svg{margin-bottom:8px}
.login-card h1{margin:0 0 4px;font-size:1.5rem;color:var(--g-900);text-align:center}
.login-card .sub{text-align:center;color:var(--muted);margin-bottom:28px;font-size:.9rem}
.login-card .btn{width:100%;justify-content:center;padding:14px;font-size:.95rem;margin-top:8px}

/* RESPONSIVE */
@media (max-width: 900px){
  .admin-shell{grid-template-columns:1fr}
  .sidebar{position:relative;height:auto}
  .form-grid{grid-template-columns:1fr}
}

/* RICH EDITOR placeholder */
textarea.rich{font-family:'Segoe UI',sans-serif;line-height:1.6}

/* SECTION CARD in list */
.section-card{background:#fafdf9;border:1px solid var(--g-100);border-radius:10px;padding:16px;margin-bottom:12px;display:grid;grid-template-columns:80px 1fr auto;gap:16px;align-items:center}
.section-card .thumb{width:80px;height:60px;border-radius:6px}
.section-card .info strong{display:block;color:var(--g-900);margin-bottom:4px}
.section-card .info small{color:var(--muted)}