:root{--c-bg:#f1f5f9;--c-surface:#fff;--c-border:#e2e8f0;--c-text:#0f172a;--c-muted:#64748b;--c-primary:#4f46e5;--c-primary-h:#4338ca;--c-danger:#dc2626;--c-success:#16a34a;--topbar-h:56px;--radius:10px;--shadow:0 1px 3px #00000014, 0 1px 2px #0000000d}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body,#app{height:100%}body{color:var(--c-text);background:var(--c-bg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:14px;line-height:1.5}#app{flex-direction:column;min-height:100vh;display:flex}a{color:var(--c-primary);text-decoration:none}a:hover{text-decoration:underline}.topbar{width:100%;min-height:var(--topbar-h);z-index:100;background:#0f172a;border-bottom:1px solid #ffffff12;align-items:center;gap:24px;padding:0 24px;display:flex;position:fixed;top:0;left:0;right:0;box-shadow:0 1px 3px #0f172a33}.topbar-brand{color:#f8fafc;flex-shrink:0;align-items:center;gap:8px;text-decoration:none;display:inline-flex}.topbar-brand:hover{color:#f8fafc;text-decoration:none}.topbar-brand-mascot{object-fit:cover;border-radius:9px;width:30px;height:30px;box-shadow:0 3px 10px #6366f147}.topbar-brand-name{letter-spacing:-.3px;font-size:15px;font-weight:700}.topbar-brand-badge{color:#c7d2fe;text-transform:uppercase;letter-spacing:.05em;background:#4f46e54d;border-radius:5px;padding:2px 6px;font-size:10px;font-weight:700}.topbar-nav{flex:1;align-items:center;gap:4px;min-width:0;display:flex;overflow-x:auto}.nav-link{color:#94a3b8;white-space:nowrap;border-radius:7px;align-items:center;gap:9px;padding:8px 12px;font-size:13.5px;font-weight:500;text-decoration:none;transition:background .12s,color 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16px;font-size:13px;font-weight:500;display:flex}.flash-icon{flex-shrink:0;margin-top:1px;font-size:15px}.flash.success{color:#166534;background:#f0fdf4;border-color:#bbf7d0}.flash.error{color:#991b1b;background:#fef2f2;border-color:#fecaca}.card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius);box-shadow:var(--shadow)}.table-wrap{overflow-x:auto}table{border-collapse:collapse;background:var(--c-surface);border-radius:var(--radius);border:1px solid var(--c-border);width:100%;box-shadow:var(--shadow);overflow:hidden}thead{background:#f8fafc}th{text-align:left;text-transform:uppercase;letter-spacing:.06em;color:var(--c-muted);border-bottom:1px solid var(--c-border);white-space:nowrap;padding:10px 16px;font-size:11px;font-weight:600}td{vertical-align:middle;color:var(--c-text);border-bottom:1px solid #f8fafc;padding:11px 16px}tr:last-child td{border-bottom:none}tbody tr:hover 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#dc26264d}.btn-danger:hover{color:#fff;background:#b91c1c;text-decoration:none}.btn-sm{border-radius:6px;padding:5px 11px;font-size:12px}.form-card{max-width:600px;padding:28px}.form-section{border-bottom:1px solid var(--c-border);margin-bottom:20px;padding-bottom:20px}.form-section:has(+.form-actions){border-bottom:none;margin-bottom:0;padding-bottom:0}.form-section-title{text-transform:uppercase;letter-spacing:.07em;color:var(--c-muted);margin-bottom:16px;font-size:11px;font-weight:700}.field{margin-bottom:16px}.field:last-child{margin-bottom:0}label{color:#374151;margin-bottom:5px;font-size:13px;font-weight:600;display:block}.label-opt{color:var(--c-muted);margin-left:4px;font-size:12px;font-weight:400}input:not([type=submit]):not([type=button]):not([type=reset]):not([type=checkbox]):not([type=radio]):not([type=file]),select,textarea{border:1px solid var(--c-border);width:100%;color:var(--c-text);appearance:none;background:#fff;border-radius:8px;outline:none;padding:8px 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