:root{--navy: #102f44;--ink: #163244;--teal: #0b8a83;--teal-dark: #08706a;--mint: #e7f5f1;--lime: #c9f36b;--yellow: #ffd45a;--yellow-soft: #fff4c9;--bg: #f4faf8;--bg-soft: #e7f5f1;--surface: #ffffff;--muted: #637783;--line: #dce7e8;--danger: #ef4444;--danger-soft: #fef2f2;--ok: #059669;--ok-soft: #ecfdf5;--warn: #d97706;--warn-soft: #fffbeb;--info: #0284c7;--info-soft: #f0f9ff;--shadow: 0 14px 40px rgba(16, 47, 68, .08);--shadow-sm: 0 6px 18px rgba(16, 47, 68, .06);--radius: 16px;--sidebar-w: 248px;--sidebar-w-collapsed: 76px;--font: "Plus Jakarta Sans", "IBM Plex Sans", system-ui, sans-serif;--mono: "IBM Plex Mono", ui-monospace, monospace;--grid-line: rgba(16, 47, 68, .045)}*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;font-family:var(--font);color:var(--ink);background-color:var(--bg);background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);background-size:44px 44px;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.boot-screen,.login-page{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 15% 10%,rgba(11,138,131,.18),transparent 42%),radial-gradient(circle at 85% 0%,rgba(255,212,90,.22),transparent 40%),linear-gradient(160deg,#102f44,#0b8a83 55%,#08706a)}.boot-screen{color:#fff;font-weight:650}.login-card{width:min(420px,100%);background:#fff;border:1px solid rgba(255,255,255,.35);border-radius:22px;padding:28px;display:grid;gap:14px;box-shadow:0 28px 70px #00000038}.login-brand{display:flex;align-items:center;gap:12px}.login-brand-mark{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:var(--navy);color:#fff;font-weight:800;font-size:1.1rem}.login-eyebrow{margin:0;text-transform:uppercase;letter-spacing:.08em;font-size:11px;color:var(--teal);font-weight:700}.login-card h1{margin:0;font-size:1.55rem;color:var(--navy);letter-spacing:-.02em}.login-lead{margin:0;color:var(--muted);font-size:14px;line-height:1.5}.field{display:grid;gap:6px}.field span,.field>span:first-child{font-size:13px;color:var(--muted);font-weight:650}.field-with-ico{position:relative}.field-with-ico .field-ico{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--muted);display:grid;pointer-events:none}.field-with-ico input{padding-left:40px}.field-with-toggle input{padding-right:44px}.password-toggle{position:absolute;right:8px;top:50%;transform:translateY(-50%);width:34px;height:34px;border:0;border-radius:10px;background:var(--mint);color:var(--navy);display:grid;place-items:center;cursor:pointer}.password-toggle:hover{background:#d5efe9}.field input,.field select,.field textarea,.input{width:100%;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:12px;padding:11px 12px;outline:none;transition:border-color .15s ease,box-shadow .15s ease}.field input:focus,.field select:focus,.field textarea:focus,.input:focus{border-color:var(--teal);box-shadow:0 0 0 3px #0b8a8326}.input-sm{padding:7px 9px;font-size:13px;border-radius:10px}.btn{border:0;border-radius:12px;padding:11px 14px;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:transform .12s ease,background .15s ease,box-shadow .15s ease}.btn:active:not(:disabled){transform:scale(.98)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:linear-gradient(145deg,var(--teal),var(--teal-dark));color:#fff;box-shadow:0 10px 24px #0b8a8340}.btn-primary:hover:not(:disabled){background:var(--teal-dark)}.btn-secondary{background:#fff;color:var(--navy);border:1px solid var(--line)}.btn-secondary:hover:not(:disabled){border-color:var(--teal);color:var(--teal);background:var(--mint)}.btn-ghost{background:transparent;color:var(--muted);border:1px solid transparent}.btn-ghost:hover{background:#ffffff14;color:#fff}.btn-sm{padding:7px 11px;font-size:13px;border-radius:10px}.error{color:var(--danger);margin:0;font-size:14px;font-weight:600}.ok{color:var(--ok);margin:0;font-size:14px;font-weight:600}.muted{color:var(--muted)}.admin-layout{display:grid;grid-template-columns:var(--sidebar-w) 1fr;min-height:100vh;transition:grid-template-columns .22s ease}.admin-layout.is-collapsed{grid-template-columns:var(--sidebar-w-collapsed) 1fr}.admin-sidebar{background:linear-gradient(180deg,#0f3348,#102f44 45%,#0b4f55);color:#fff;padding:16px 12px;display:flex;flex-direction:column;gap:16px;position:sticky;top:0;height:100vh;z-index:30;box-shadow:8px 0 32px #102f441f}.admin-sidebar-top{display:flex;align-items:center;gap:8px}.admin-brand{display:flex;gap:10px;align-items:center;min-width:0;flex:1;padding:4px}.admin-brand-mark{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(145deg,var(--lime),#a8e048);color:var(--navy);font-weight:800;font-size:1rem;flex-shrink:0;box-shadow:0 8px 18px #c9f36b40}.admin-brand-text{display:grid;min-width:0;transition:opacity .15s ease,width .15s ease}.admin-brand-text strong{display:block;font-size:.95rem;letter-spacing:-.02em}.admin-brand-text small{color:#ffffff9e;font-size:11px}.sidebar-toggle{width:34px;height:34px;border-radius:10px;border:1px solid rgba(255,255,255,.14);background:#ffffff14;color:#fff;display:grid;place-items:center;cursor:pointer;flex-shrink:0;transition:background .15s ease,transform .2s ease}.sidebar-toggle:hover{background:#ffffff29}.is-collapsed .sidebar-toggle{transform:rotate(180deg)}.admin-nav{display:grid;gap:4px;flex:1;overflow:auto;padding:4px 0}.nav-link{display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:12px;color:#ffffffb8;font-weight:650;font-size:14px;transition:background .15s ease,color .15s ease}.nav-ico{display:grid;place-items:center;width:28px;height:28px;flex-shrink:0}.nav-label{white-space:nowrap;overflow:hidden}.nav-link:hover{background:#ffffff14;color:#fff}.nav-link.on{background:#c9f36b29;color:#fff;box-shadow:inset 3px 0 0 var(--lime)}.admin-sidebar-foot{display:grid;gap:10px;padding-top:8px;border-top:1px solid rgba(255,255,255,.1)}.admin-user-chip{display:flex;align-items:center;gap:10px;min-width:0;padding:4px}.admin-avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:#ffffff24;border:1px solid rgba(255,255,255,.22);font-weight:800;flex-shrink:0}.admin-user-meta{display:grid;min-width:0}.admin-user-meta strong{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.admin-user-meta small{color:#ffffff8c;font-size:11px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.btn-logout{width:100%;justify-content:flex-start;border-color:#ffffff1f;color:#fffc}.is-collapsed .admin-brand-text,.is-collapsed .nav-label,.is-collapsed .admin-user-meta,.is-collapsed .btn-logout span{display:none}.is-collapsed .admin-brand{justify-content:center;padding:0}.is-collapsed .nav-link{justify-content:center;padding:12px}.is-collapsed .admin-user-chip{justify-content:center}.is-collapsed .btn-logout{justify-content:center;padding-inline:10px}.is-collapsed .admin-sidebar-top{flex-direction:column}.admin-content{min-width:0}.admin-main{padding:28px 28px 40px;max-width:1280px}.page{display:grid;gap:20px}.page-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap}.page-header-text h1{margin:0;font-size:1.55rem;color:var(--navy);letter-spacing:-.03em;display:flex;align-items:center;gap:10px}.page-header-text p{margin:6px 0 0;color:var(--muted);font-size:14px}.page-header-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;background:var(--mint);color:var(--teal);flex-shrink:0}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(168px,1fr));gap:12px}.stat-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px;display:grid;gap:10px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden}.stat-card:after{content:"";position:absolute;inset:auto 0 0 0;height:3px;background:linear-gradient(90deg,var(--teal),var(--lime));opacity:.85}.stat-card-top{display:flex;align-items:center;justify-content:space-between;gap:8px}.stat-card-ico{width:36px;height:36px;border-radius:11px;display:grid;place-items:center}.stat-card-ico.tone-teal{background:var(--mint);color:var(--teal)}.stat-card-ico.tone-navy{background:#e8eef3;color:var(--navy)}.stat-card-ico.tone-yellow{background:var(--yellow-soft);color:#a66e06}.stat-card-ico.tone-warn{background:var(--warn-soft);color:var(--warn)}.stat-card-ico.tone-ok{background:var(--ok-soft);color:var(--ok)}.stat-card-ico.tone-info{background:var(--info-soft);color:var(--info)}.stat-card span{color:var(--muted);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.04em}.stat-card strong{font-size:1.55rem;font-family:var(--mono);color:var(--navy);letter-spacing:-.03em}.panels{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px}.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow-sm)}.panel h2{margin:0 0 14px;font-size:.95rem;color:var(--navy);display:flex;align-items:center;gap:8px}.panel-title-ico{color:var(--teal);display:grid}.kv-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}.kv-list li{display:flex;justify-content:space-between;gap:12px;font-size:14px;padding:8px 10px;border-radius:10px;background:var(--bg)}.kv-list span{color:var(--muted);font-weight:600}.kv-list strong{font-family:var(--mono);color:var(--navy)}.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.toolbar .input{max-width:280px}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-sm)}table{width:100%;border-collapse:collapse;font-size:14px}th,td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}th{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.05em;background:#f8fcfb;font-weight:750}tr:last-child td{border-bottom:0}tr.row-on{background:#0b8a830f}tbody tr:hover{background:#e7f5f18c}code{font-family:var(--mono);font-size:12px;background:var(--mint);color:var(--teal-dark);padding:2px 6px;border-radius:6px}.cell-title{max-width:280px}.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:999px;font-size:12px;font-weight:750;background:#eef3f5;color:var(--muted)}.badge-admin,.badge-paid,.badge-published,.badge-validated{background:var(--mint);color:var(--teal-dark)}.badge-student,.badge-pending,.badge-draft{background:var(--info-soft);color:var(--info)}.badge-failed,.badge-rejected{background:var(--danger-soft);color:var(--danger)}.badge-needs_review{background:var(--warn-soft);color:var(--warn)}.form-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));align-items:end}.field-full{grid-column:1 / -1}.check{display:flex;gap:8px;align-items:center;color:var(--muted);font-size:14px;font-weight:600}.empty-state{text-align:center;padding:40px 16px;color:var(--muted)}@media(max-width:900px){.admin-layout,.admin-layout.is-collapsed{grid-template-columns:1fr}.admin-sidebar{position:sticky;height:auto;flex-direction:row;flex-wrap:wrap;align-items:center;gap:10px}.admin-nav{display:flex;flex:1 1 100%;overflow-x:auto;gap:4px}.nav-label,.admin-brand-text,.admin-user-meta,.btn-logout span{display:none}.nav-link{padding:10px}.admin-main{padding:18px 14px 32px}.sidebar-toggle{display:none}}