:root{--bg:#0b0f0d;--green:#22c55e;--paper:#f4f7f5;--line:#dce4df;--ink:#121714;--muted:#6b756f}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,"Liberation Sans",sans-serif;background:var(--paper);color:var(--ink)}a{color:#117a3d}.admin-shell{min-height:100vh;display:grid;grid-template-columns:250px 1fr}.sidebar{background:#0a0d0b;color:#fff;padding:24px 18px;position:sticky;top:0;height:100vh}.admin-logo img{width:180px;margin:0 auto 28px}.sidebar nav{display:flex;flex-direction:column;gap:5px}.sidebar nav a{color:#cdd6d0;text-decoration:none;padding:11px 13px;border-radius:10px}.sidebar nav a:hover,.sidebar nav a.active{background:#162219;color:#fff}.admin-main{padding:42px;max-width:1200px;width:100%}.admin-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:24px}.admin-head h1{margin:0;font-size:36px}.admin-head p{color:var(--muted)}.admin-btn,button{display:inline-block;background:var(--green);color:#071109;border:0;border-radius:10px;padding:11px 16px;text-decoration:none;font-weight:800;cursor:pointer}.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.stat-grid>div,.help-card,.form-card,.table-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}.stat-grid strong{display:block;font-size:40px}.stat-grid span{color:var(--muted)}.help-card{margin-top:20px}.form-card{display:grid;gap:18px;max-width:880px}.form-card label{display:grid;gap:7px;font-weight:700}.form-card input,.form-card textarea{width:100%;border:1px solid #cbd5cf;border-radius:10px;padding:11px 12px;font:inherit;background:#fff}.form-card textarea{resize:vertical}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}.check{display:flex!important;grid-template:none!important;align-items:center;gap:8px!important}.check input{width:auto!important}.preview{max-width:180px;border-radius:12px}.table-card{overflow:auto;padding:0}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line)}th{background:#f7f9f8;font-size:12px;text-transform:uppercase;letter-spacing:.06em}td small{display:block;color:var(--muted)}.thumb{width:48px;height:58px;object-fit:cover;border-radius:8px}.alert{padding:13px 16px;border-radius:10px;margin-bottom:18px}.alert.success{background:#dff7e7;color:#155f33}.alert.error{background:#fee2e2;color:#991b1b}.login-body{min-height:100vh;background:linear-gradient(135deg,#07100a,#15351e);display:grid;place-items:center;padding:20px}.login-card{width:min(420px,100%);background:#fff;padding:30px;border-radius:20px;display:grid;gap:16px}.login-card img{width:210px;margin:auto}.login-card h1{text-align:center}.login-card label{display:grid;gap:6px;font-weight:700}.login-card input{padding:12px;border:1px solid #cbd5cf;border-radius:10px}.muted{color:var(--muted);font-size:12px}@media(max-width:800px){.admin-shell{grid-template-columns:1fr}.sidebar{position:relative;height:auto}.sidebar nav{display:grid;grid-template-columns:repeat(2,1fr)}.admin-main{padding:24px 14px}.stat-grid{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}.admin-head{align-items:flex-start;flex-direction:column}}