:root{color-scheme:light;--bg: #f6f8fb;--card: #ffffff;--ink: #0f172a;--muted: #64748b;--accent: #0b3a5b;--accent-soft: #d7e6f5;--border: #e2e8f0;--danger: #dc2626;--success: #0f9d58;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink)}a{color:inherit;text-decoration:none}header{background:linear-gradient(180deg,#0b3a5b,#0a2f49);color:#fff;padding:20px 26px}.header-top{display:flex;align-items:center;justify-content:space-between;gap:16px}.header-user{display:flex;align-items:center;gap:12px;flex-wrap:wrap}header h1{font-size:1.4rem;margin:0}.container{max-width:1200px;margin:0 auto;padding:0 20px 40px}.nav-bar{display:flex;gap:14px;margin-top:12px}.nav-link{padding:8px 16px;border-radius:10px;background:#ffffff26;font-weight:600;transition:background .2s ease}.nav-link.active{background:#fff;color:var(--accent)}.inline-toolbar{display:flex;align-items:center;gap:12px;padding:8px 12px;background:#f8fafc;border:1px dashed var(--border);border-radius:10px;margin:8px 0 12px}.auth-wrapper{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg);padding:20px}.auth-card{background:var(--card);border:1px solid var(--border);border-radius:12px;box-shadow:0 8px 30px #0f172a26;padding:32px;width:min(360px,100%);display:grid;gap:16px}.auth-card h2{margin:0}.auth-error{background:#fee2e2;color:#b91c1c;padding:10px 12px;border-radius:10px;font-size:.9rem}.page-head{display:flex;align-items:center;justify-content:space-between;margin:30px 0 16px}.page-head h2{margin:0;font-size:1.3rem}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px;margin-bottom:16px;box-shadow:0 6px 20px #0f172a14}.card h3{margin-top:0}.masters-layout{display:grid;grid-template-columns:280px 1fr;gap:16px;align-items:start}.masters-sidebar{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:12px;box-shadow:0 6px 20px #0f172a14;position:sticky;top:12px}.sidebar-head{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:12px}.sidebar-list{display:flex;flex-direction:column;gap:6px;max-height:calc(100vh - 140px);overflow-y:auto;padding-right:4px}.sidebar-item{width:100%;text-align:left;padding:10px 12px;border:1px solid var(--border);background:#f8fafc;border-radius:10px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:10px;transition:all .15s ease}.sidebar-item .label{font-weight:600}.sidebar-item .count{font-size:.85rem}.sidebar-item:hover{border-color:var(--accent)}.sidebar-item.active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}.masters-content{min-width:0}.sidebar-toggle-ghost{display:flex;align-items:flex-start}.icon-button{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:#ecf1f7;border:1px solid var(--border);border-radius:10px;padding:8px 10px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;font-size:1rem;color:var(--ink);transition:background .15s ease,border-color .15s ease,transform .1s ease}.icon-button:hover{background:var(--accent-soft);border-color:var(--accent)}.misc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px}.misc-card{border:1px solid var(--border);border-radius:10px;padding:10px;background:#f8fafc}.misc-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.misc-label{font-weight:600;font-size:.95rem}.misc-fields{display:grid;grid-template-columns:1fr 90px 140px;gap:8px;align-items:center}.misc-fields input,.misc-fields select{width:100%}.icon-button .hamburger{font-weight:700;letter-spacing:.05em}.masters-content.expanded{grid-column:1 / -1}@media (max-width: 960px){.masters-layout{grid-template-columns:1fr}.masters-sidebar{position:relative;top:0}}.toolbar{display:flex;gap:10px;align-items:center}.filter-bar{padding:10px 12px;border:1px solid var(--border);background:linear-gradient(135deg,#f8fbff,#f3f6fb);border-radius:10px;box-shadow:0 6px 14px #0f172a0f;flex-wrap:wrap}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;border-radius:8px;padding:8px 14px;font-weight:600;cursor:pointer;background:var(--accent);color:#fff;transition:transform .1s ease,box-shadow .1s ease}.btn.small{padding:6px 10px;font-size:.85rem}.btn.secondary{background:#ecf1f7;color:var(--ink)}.btn.danger{background:var(--danger);color:#fff}.btn:disabled{opacity:.5;cursor:not-allowed}.grid{display:grid;gap:12px}.grid.two{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.form-field{display:flex;flex-direction:column;gap:6px}.form-field label{font-size:.85rem;font-weight:600;color:var(--muted)}.form-field input,.form-field select,.form-field textarea{padding:10px 12px;border-radius:10px;border:1px solid var(--border);font:inherit;background:#fff}.small-select{max-width:200px;padding:8px 10px}.search-input{padding:10px 12px;border-radius:10px;border:1px solid var(--border);font:inherit;background:#fff;min-width:220px;transition:box-shadow .15s ease,border-color .15s ease}.search-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #0f68ff26}.upload-panel{border:1px dashed var(--border);padding:12px;border-radius:10px;background:#f8fbff;margin-bottom:12px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}.form-field textarea{min-height:90px;resize:vertical}.form-field .field-error{color:var(--danger);font-size:.78rem;margin-top:4px;display:inline-block}table{width:100%;border-collapse:collapse}th,td{padding:10px 12px;border-bottom:1px solid var(--border);font-size:.9rem;text-align:left;vertical-align:middle}th{font-weight:600;background:#f1f6fe}.table-actions{display:flex;gap:8px}.pagination-bar{margin-top:12px;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:#f8fbff;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.page-size-select{display:flex;align-items:center;gap:8px}.page-size-select select{padding:8px 10px;border-radius:8px;border:1px solid var(--border);background:#fff}.pagination-controls{display:inline-flex;align-items:center;gap:8px}.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;background:#0b3a5b1a;color:var(--accent);font-size:.75rem;font-weight:600}.muted{color:var(--muted);font-size:.85rem}.costcalc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:14px;margin:12px 0 18px}.costcalc-panel{display:flex;flex-direction:column;gap:12px}.costcalc-panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.code-input{width:100%;min-height:220px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:.95rem;background:#0f172a;color:#e5e7eb;border-radius:12px;border:1px solid #1f2937;padding:12px;line-height:1.4}.code-block{background:#0f172a;color:#e5e7eb;border-radius:12px;padding:12px;border:1px solid #1f2937;overflow:auto;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:.95rem;min-height:200px;white-space:pre}