:root{--navy:#020b3f;--navy2:#07185c;--blue:#2157d5;--red:#e31927;--bg:#f4f6fb;--card:#fff;--ink:#0d1634;--muted:#69728a;--line:#dfe4ef;--green:#18864b;--shadow:0 16px 40px rgba(16,24,64,.08)}
*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink)}button,input,select,textarea{font:inherit}.login-shell{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 30% 15%,#1744a8 0,#07114b 35%,#02072a 100%)}.login-card{width:min(430px,92vw);background:#fff;padding:38px;border-radius:24px;box-shadow:0 30px 80px rgba(0,0,0,.28)}.brand-mark{width:64px;height:64px;border-radius:18px;display:grid;place-items:center;background:var(--navy);color:#fff;font-weight:900;font-size:22px}.login-card h1{margin:20px 0 6px}.login-card p{color:var(--muted);margin:0 0 24px}.login-card input{width:100%;padding:14px 15px;border:1px solid var(--line);border-radius:12px;margin-bottom:12px}.login-card button{width:100%;border:0;border-radius:12px;padding:14px;background:var(--blue);color:#fff;font-weight:800;cursor:pointer}.login-card small{display:block;margin-top:14px;color:var(--muted)}.error{padding:10px 12px;background:#fff1f1;color:#a20f1b;border-radius:10px;margin-bottom:12px}.app-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.admin-nav{background:linear-gradient(180deg,var(--navy),#050a28);color:#fff;padding:24px 16px;position:sticky;top:0;height:100vh}.nav-brand{display:flex;align-items:center;gap:11px;padding:0 8px 26px}.nav-brand span{width:44px;height:44px;border:1px solid rgba(255,255,255,.32);display:grid;place-items:center;border-radius:12px;font-weight:900}.nav-brand strong{font-size:20px}.nav-item,.nav-link{width:100%;display:block;text-align:left;border:0;background:transparent;color:#c8d1ef;padding:12px 14px;border-radius:10px;text-decoration:none;margin:3px 0;cursor:pointer}.nav-item:hover,.nav-item.active,.nav-link:hover{background:rgba(255,255,255,.1);color:#fff}.nav-link{margin-top:18px}.nav-link.muted{margin-top:4px;color:#8d98ba}.admin-main{padding:0 34px 50px;min-width:0}.admin-header{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:26px 0 22px;position:sticky;top:0;background:rgba(244,246,251,.94);backdrop-filter:blur(12px);z-index:20}.admin-header h1{margin:0;font-size:28px}.admin-header p{margin:5px 0 0;color:var(--muted)}.header-actions{display:flex;align-items:center;gap:12px}.header-actions span{color:var(--green);font-size:13px}.header-actions button,.section-head button,.upload-btn{border:0;background:var(--blue);color:#fff;font-weight:800;border-radius:10px;padding:11px 16px;cursor:pointer}.panel{background:var(--card);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:26px}.section-page{display:none}.section-page.active{display:block}.panel h2{margin:0 0 6px}.panel p{color:var(--muted);margin-top:0}.overview-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.stat-card{border:1px solid var(--line);border-radius:16px;padding:20px;background:#fff}.stat-card span,.stat-card small{display:block;color:var(--muted)}.stat-card strong{display:block;font-size:36px;margin:7px 0}.preview-card{margin-top:18px;background:linear-gradient(135deg,var(--navy),#1238a0);border-radius:18px;padding:26px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:30px}.preview-card p{color:#d7def8;margin:6px 0 0;max-width:720px}.primary-link{background:#fff;color:var(--navy);font-weight:850;text-decoration:none;padding:12px 16px;border-radius:10px;white-space:nowrap}.notice{margin-top:18px;border-radius:14px;padding:15px 17px;background:#eef5ff;border:1px solid #d7e5ff;color:#294270}.section-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:20px}.field{margin:15px 0}.field.compact{max-width:340px}.field label{display:block;font-size:13px;font-weight:800;margin-bottom:7px}.field input,.field select,.field textarea,.item input,.item textarea,.item select{width:100%;border:1px solid var(--line);background:#fff;border-radius:10px;padding:10px 11px;color:var(--ink)}.field small{display:block;margin-top:6px;color:var(--muted)}.two-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.order-row{display:flex;align-items:center;gap:10px;max-width:700px}.content-list{display:flex;flex-direction:column;gap:12px}.item{border:1px solid var(--line);border-radius:14px;padding:15px;display:grid;grid-template-columns:74px 1fr auto;gap:14px;align-items:center;background:#fff}.item-thumb{width:74px;height:58px;border-radius:10px;overflow:hidden;background:linear-gradient(135deg,#07114b,#2963e7);display:grid;place-items:center;color:#fff;font-size:11px;font-weight:900}.item-thumb img,.item-thumb video{width:100%;height:100%;object-fit:cover}.item-body{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.item-body.wide{grid-template-columns:1.2fr .7fr 1fr}.item-body.stack{grid-template-columns:1fr}.item-actions{display:flex;gap:6px}.icon-btn{width:34px;height:34px;border:1px solid var(--line);background:#fff;border-radius:9px;cursor:pointer}.icon-btn.danger{color:#b51620}.checkline{display:flex;align-items:center;gap:7px;font-size:13px}.checkline input{width:auto}.upload-btn{display:inline-block}.empty{padding:28px;border:1px dashed #bfc6d8;border-radius:14px;color:var(--muted);text-align:center}
@media(max-width:980px){.app-shell{grid-template-columns:1fr}.admin-nav{position:static;height:auto;display:flex;flex-wrap:wrap;gap:4px}.nav-brand{width:100%}.nav-item,.nav-link{width:auto;margin:0}.admin-main{padding:0 16px 35px}.overview-grid{grid-template-columns:repeat(2,1fr)}.two-col{grid-template-columns:1fr}.item{grid-template-columns:58px 1fr}.item-actions{grid-column:1/-1}.item-body{grid-template-columns:1fr}.preview-card{align-items:flex-start;flex-direction:column}}