:root{--bg:#f4f6fb;--surface:#fff;--sidebar:#111827;--sidebar-hover:#1f2937;--border:#e5e7eb;--text:#1f2937;--text-muted:#6b7280;--primary:#4f46e5;--primary-dark:#4338ca;--radius:12px;--shadow:0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.04)}*{box-sizing:border-box;margin:0;padding:0}body,html{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}a{color:inherit;text-decoration:none}.app-shell{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--sidebar);color:#d1d5db;display:flex;flex-direction:column;padding:20px 16px;position:-webkit-sticky;position:sticky;top:0;height:100vh}.sidebar-brand{gap:12px;padding:8px 8px 24px}.brand-logo,.sidebar-brand{display:flex;align-items:center}.brand-logo{width:38px;height:38px;border-radius:10px;background:var(--primary);justify-content:center}.brand-logo,.brand-name{color:#fff;font-weight:700}.brand-name{font-size:15px}.brand-sub{color:#9ca3af;font-size:12px}.sidebar-nav{display:flex;flex-direction:column;gap:4px;flex:1 1}.nav-link{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;color:#d1d5db;font-weight:500;transition:background .15s}.nav-link:hover{background:var(--sidebar-hover);color:#fff}.nav-link-active{background:var(--primary);color:#fff}.nav-icon{font-size:16px}.logout-btn{margin-top:12px;padding:10px;background:transparent;border:1px solid #374151;color:#d1d5db;border-radius:8px;cursor:pointer;font-size:13px;transition:background .15s}.logout-btn:hover{background:var(--sidebar-hover);color:#fff}.main{flex:1 1;padding:32px 40px;max-width:1200px}.page-title{font-size:24px;font-weight:700;margin-bottom:4px}.page-subtitle{color:var(--text-muted);margin-bottom:28px}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));grid-gap:18px;gap:18px;margin-bottom:32px}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.stat-label{color:var(--text-muted);font-size:13px;margin-bottom:8px}.stat-value{font-size:30px;font-weight:700}.stat-accent-green{color:#059669}.stat-accent-orange{color:#d97706}.stat-accent-indigo{color:var(--primary)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.card-header{padding:16px 20px;border-bottom:1px solid var(--border);font-weight:600;display:flex;justify-content:space-between;align-items:center}table{width:100%;border-collapse:collapse}th{text-align:left;padding:12px 20px;color:var(--text-muted);font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.03em}td,th{border-bottom:1px solid var(--border)}td{padding:14px 20px;vertical-align:top}tr:last-child td{border-bottom:none}tr.clickable{cursor:pointer;transition:background .12s}tr.clickable:hover{background:#f9fafb}.cell-subject{font-weight:600;color:var(--text)}.cell-sub{color:var(--text-muted);font-size:13px}.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;white-space:nowrap}.badge-green{background:#d1fae5;color:#065f46}.badge-orange{background:#fef3c7;color:#92400e}.badge-red{background:#fee2e2;color:#991b1b}.badge-blue{background:#dbeafe;color:#1e40af}.badge-gray{background:#f3f4f6;color:#4b5563}.filter-bar{display:flex;gap:8px;margin-bottom:18px;flex-wrap:wrap}.filter-btn{padding:7px 14px;border:1px solid var(--border);background:var(--surface);border-radius:8px;cursor:pointer;font-size:13px;color:var(--text-muted)}.filter-btn-active{background:var(--primary);border-color:var(--primary);color:#fff}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1e1b4b,#4f46e5);padding:20px}.login-card{background:var(--surface);border-radius:16px;padding:40px;width:100%;max-width:400px;box-shadow:0 20px 50px rgba(0,0,0,.25)}.login-logo{width:48px;height:48px;border-radius:12px;background:var(--primary);color:#fff;font-weight:700;font-size:18px;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}.login-title{text-align:center;font-size:20px;font-weight:700;margin-bottom:4px}.login-sub{text-align:center;color:var(--text-muted);margin-bottom:28px}.form-group{margin-bottom:16px}.form-label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}.form-input{width:100%;padding:11px 14px;border:1px solid var(--border);border-radius:8px;font-size:14px;transition:border .15s,box-shadow .15s}.form-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(79,70,229,.15)}.btn-primary{width:100%;padding:12px;background:var(--primary);color:#fff;border:none;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;transition:background .15s}.btn-primary:hover{background:var(--primary-dark)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.error-msg{background:#fee2e2;color:#991b1b;padding:10px 14px;border-radius:8px;font-size:13px;margin-bottom:16px}.drawer-overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);display:flex;justify-content:flex-end;z-index:50}.drawer{width:100%;max-width:560px;background:var(--surface);height:100%;overflow-y:auto;padding:28px;animation:slideIn .2s ease}@keyframes slideIn{0%{transform:translateX(40px);opacity:0}to{transform:translateX(0);opacity:1}}.drawer-close{float:right;background:none;border:none;font-size:22px;cursor:pointer;color:var(--text-muted)}.detail-section{margin-top:20px}.detail-section h4{font-size:12px;text-transform:uppercase;letter-spacing:.03em;color:var(--text-muted);margin-bottom:6px}.detail-box{background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:14px;white-space:pre-wrap;font-size:13px;line-height:1.6}.loading-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;color:var(--text-muted)}.empty-state{padding:48px 20px;text-align:center;color:var(--text-muted)}.meta-row{display:flex;gap:24px;flex-wrap:wrap;margin-bottom:8px;font-size:13px}.meta-row strong{color:var(--text-muted);font-weight:600}