:root{--color-primary: #44546A;--color-accent: #4472C4;--color-accent-light: #dce6f5;--color-bg: #f4f6f9;--color-surface: #ffffff;--color-border: #cdd3db;--color-text: #2c3e50;--color-text-muted: #6c7a8a;--color-success: #1e7e4e;--color-warning: #d9a81f;--color-danger: #c0392b;--radius: 6px;--shadow: 0 2px 8px rgba(68,84,106,.1);--font: "Segoe UI", system-ui, -apple-system, sans-serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font);background:var(--color-bg);color:var(--color-text);font-size:14px;line-height:1.5}.app-header{background:var(--color-primary);color:#fff;padding:12px 24px;display:flex;align-items:center;gap:16px;box-shadow:var(--shadow)}.app-header img{height:36px}.app-header h1{font-size:1rem;font-weight:600;letter-spacing:.02em}.app-header .tagline{font-size:.75rem;opacity:.7;margin-top:1px}.app-header .user-bar{margin-left:auto;display:flex;align-items:center;gap:12px}.app-header .user-name{font-size:.8rem;opacity:.85}.btn-sm{padding:4px 12px;font-size:.8rem}.container{max-width:1040px;margin:0 auto;padding:24px 16px}.landing{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:calc(100vh - 64px);gap:20px;text-align:center;padding:40px 16px}.landing-logo{height:80px;opacity:.9}.landing h2{font-size:1.5rem;font-weight:600;color:var(--color-primary)}.landing p{color:var(--color-text-muted);max-width:380px;font-size:.95rem}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px 24px;margin-bottom:20px}.card h2{font-size:.875rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--color-accent);margin-bottom:14px;padding-bottom:8px;border-bottom:2px solid var(--color-accent-light)}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}.form-group{display:flex;flex-direction:column;gap:4px}.form-group label{font-size:.8rem;font-weight:600;color:var(--color-text-muted)}.form-group input,.form-group select{padding:8px 10px;border:1px solid var(--color-border);border-radius:var(--radius);font-size:.875rem;font-family:var(--font);background:var(--color-surface);color:var(--color-text);transition:border-color .15s}.form-group input:focus,.form-group select:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px #0066cc1f}.form-group input[type=password]{letter-spacing:.1em}.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border:none;border-radius:var(--radius);font-size:.875rem;font-weight:600;font-family:var(--font);cursor:pointer;transition:background .15s,opacity .15s}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--color-accent);color:#fff}.btn-primary:hover:not(:disabled){background:#05a}.btn-secondary{background:var(--color-primary);color:#fff}.btn-secondary:hover:not(:disabled){background:#0d0d1f}.btn-success{background:var(--color-success);color:#fff}.btn-success:hover:not(:disabled){background:#157347}.btn-danger{background:var(--color-danger);color:#fff;padding:4px 10px;font-size:.8rem}.btn-ghost{background:transparent;color:var(--color-accent);border:1px solid var(--color-accent)}.btn-ghost:hover:not(:disabled){background:var(--color-accent-light)}.btn-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px;align-items:center}.alert{padding:10px 14px;border-radius:var(--radius);font-size:.85rem;margin-bottom:12px;display:flex;align-items:flex-start;gap:8px}.alert-info{background:var(--color-accent-light);color:#049;border:1px solid #b3d0ff}.alert-warning{background:#fff8e1;color:#856404;border:1px solid #ffd966}.alert-danger{background:#fdecea;color:#842029;border:1px solid #f5c6cb}.alert-success{background:#d1e7dd;color:#0f5132;border:1px solid #badbcc}.hours-table-wrapper{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:.85rem}thead tr{background:var(--color-primary);color:#fff}thead th{padding:9px 10px;text-align:left;font-weight:600;font-size:.8rem}thead th:last-child{text-align:right}tbody tr:nth-child(2n){background:#f8f9fa}tbody tr:hover{background:var(--color-accent-light)}tbody td{padding:7px 10px;border-bottom:1px solid var(--color-border);vertical-align:top}tbody td:last-child{text-align:right;font-variant-numeric:tabular-nums}tbody td input{width:100%;padding:3px 6px;border:1px solid transparent;border-radius:3px;background:transparent;font-size:.85rem;font-family:var(--font)}tbody td input:focus{outline:none;border-color:var(--color-accent);background:#fff;box-shadow:0 0 0 2px #0066cc26}.row-subtotal td{background:var(--color-accent-light)!important;font-weight:700;color:var(--color-primary)}.row-total td{background:var(--color-primary)!important;color:#fff!important;font-weight:700;font-size:.95rem}.total-hours{font-size:1.1rem;font-weight:700;color:var(--color-accent)}@keyframes spin{to{transform:rotate(360deg)}}.spinner{width:20px;height:20px;border:3px solid var(--color-border);border-top-color:var(--color-accent);border-radius:50%;animation:spin .7s linear infinite;display:inline-block}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:var(--color-surface);border-radius:var(--radius);box-shadow:0 8px 32px #0000002e;padding:24px;width:480px;max-width:95vw}.modal h3{margin-bottom:16px;color:var(--color-primary)}.text-muted{color:var(--color-text-muted)}.text-right{text-align:right}.mt-2{margin-top:8px}.api-key-note{font-size:.75rem;color:var(--color-text-muted);margin-top:4px}