:root{--ink:#172033;--muted:#6b7890;--blue:#2463eb;--red:#e5484d;--green:#1f9d62;--line:#dce4ef;--bg:#f5f7fb}*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--ink)}.admin-shell{display:grid;grid-template-columns:245px 1fr;min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;background:#fff;border-right:1px solid var(--line);padding:24px 16px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);padding:8px}.brand.centered{justify-content:center;margin-bottom:30px}.brand-mark{width:38px;height:38px;border:2px solid #ef4136;color:#ef4136;border-radius:11px;display:grid;place-items:center;font-size:12px;font-weight:900}.brand strong,.brand small{display:block}.brand small{font-size:10px;letter-spacing:.12em;color:#8491a6}.sidebar nav{display:grid;gap:8px;margin-top:34px}.sidebar nav a{padding:12px 14px;text-decoration:none;color:#66738a;border-radius:10px;font-weight:700;font-size:14px}.sidebar nav a.active,.sidebar nav a:hover{background:#edf2ff;color:var(--blue)}.sidebar form{margin-top:auto}.logout{width:100%;padding:12px;border:1px solid var(--line);background:#fff;border-radius:10px;color:var(--red);font-weight:800}.topbar{height:96px;background:#fff;border-bottom:1px solid var(--line);padding:20px 32px;display:flex;justify-content:space-between;align-items:center}.topbar h1{font-size:24px;margin:0}.topbar p{margin:5px 0 0;color:var(--muted);font-size:13px}.admin-user{background:#f1f5fb;padding:10px 14px;border-radius:12px;font-size:13px;font-weight:800}.content{padding:30px;max-width:1400px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:20px}.stat,.card{background:#fff;border:1px solid var(--line);border-radius:16px}.stat{padding:22px}.stat span{color:var(--muted);font-size:13px}.stat strong{display:block;font-size:30px;margin-top:7px}.card{padding:22px;margin-bottom:20px}.card-head,.toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px}.card h2{margin:0}.card p{color:var(--muted);margin:7px 0 0}.platform-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:22px}.platform-card{border:1px solid var(--line);padding:16px;border-radius:14px;display:flex;gap:12px}.platform-icon{width:38px;height:38px;border-radius:10px;background:#edf2ff;color:var(--blue);display:grid;place-items:center;font-weight:900}.platform-card small,.platform-card strong,.platform-card p{display:block}.platform-card p{font-size:11px;margin-top:4px}.btn{border:1px solid var(--line);background:#fff;color:var(--ink);padding:10px 15px;border-radius:10px;text-decoration:none;font-weight:800;cursor:pointer}.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}.btn.success{color:var(--green)}.btn.danger{color:var(--red)}.btn.small{padding:7px 10px;font-size:11px}.btn.wide{width:100%}.table-wrap{overflow:auto;padding:0}table{width:100%;border-collapse:collapse;min-width:900px}th,td{text-align:left;padding:15px;border-bottom:1px solid #edf1f6;font-size:13px;vertical-align:top}th{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}td small{display:block;color:var(--muted);margin-top:5px}.badge{padding:5px 9px;border-radius:20px;font-size:10px;font-weight:900}.badge.published{background:#e8f8ef;color:#17894f}.badge.draft{background:#fff3dc;color:#a86400}.actions{display:flex;gap:6px}.actions form{display:inline}.empty{text-align:center;color:var(--muted);padding:40px}.form-card{max-width:920px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}label{display:block;font-size:13px;font-weight:800;margin-bottom:18px}input,select,textarea{width:100%;margin-top:8px;border:1px solid var(--line);border-radius:10px;padding:12px;background:#fff;font:inherit;color:var(--ink)}textarea{resize:vertical}.check{display:flex;align-items:center;gap:8px;font-weight:600}.check input{width:auto;margin:0}.check.boxed{margin-top:25px;border:1px solid var(--line);padding:12px;border-radius:10px}.form-actions{display:flex;justify-content:flex-end;gap:10px}.alert{padding:14px 16px;border-radius:12px;margin-bottom:18px;font-size:13px}.alert.success{background:#e9f8f0;color:#15794a}.alert.danger{background:#fff0f0;color:#a92c32}.login-page{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at top,#eaf0ff,#f7f9fc)}.login-card{width:min(430px,calc(100% - 30px));background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px;box-shadow:0 25px 70px rgba(22,32,51,.12)}.login-card h1{text-align:center;margin-bottom:8px}.login-card>p{text-align:center;color:var(--muted);margin-top:0;margin-bottom:28px}.back-link{display:block;text-align:center;margin-top:20px;color:var(--muted);text-decoration:none;font-size:13px}@media(max-width:900px){.admin-shell{grid-template-columns:1fr}.sidebar{position:relative;height:auto}.sidebar nav{grid-template-columns:repeat(3,1fr);margin-top:16px}.sidebar form{margin-top:15px}.stats,.platform-grid{grid-template-columns:repeat(2,1fr)}.topbar{padding:20px}.content{padding:20px}}@media(max-width:600px){.stats,.platform-grid,.form-grid{grid-template-columns:1fr}.card-head,.toolbar{align-items:flex-start;flex-direction:column}.sidebar nav{grid-template-columns:1fr}.admin-user{display:none}}