:root{--bg: #f5f7fa;--surface: #ffffff;--sidebar: #0d1b2a;--sidebar-hover: #16314f;--primary: #1565c0;--primary-dark: #0d47a1;--primary-light: #e3f2fd;--accent: #00bcd4;--primary-gradient: linear-gradient(120deg, #0d47a1 0%, #1565c0 50%, #00acc1 100%);--sidebar-gradient: linear-gradient(195deg, #0b2138 0%, #0d3a63 55%, #08495a 100%);--text: #1a1a2e;--text-muted: #5c6b7a;--border: #e2e8f0;--danger: #dc2626;--success: #16a34a;--warning: #d97706;--shadow: 0 1px 3px rgba(13, 27, 42, .08);--shadow-lg: 0 10px 40px rgba(13, 27, 42, .12);--radius: 12px;--font: "DM Sans", system-ui, sans-serif}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;height:100%;font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}button,input,select,textarea{font-family:inherit}a{color:inherit;text-decoration:none}table{width:100%;border-collapse:collapse}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.625rem 1.25rem;border:none;border-radius:8px;font-size:.875rem;font-weight:600;cursor:pointer;transition:background .15s,transform .1s}.btn:hover:not(:disabled){transform:translateY(-1px)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn--primary{background:var(--primary-gradient);background-size:140% 140%;color:#fff;box-shadow:0 4px 14px #0d47a140}.btn--primary:hover:not(:disabled){background-position:100% 50%;box-shadow:0 6px 18px #0d47a159}.btn--ghost{background:transparent;color:var(--text-muted);border:1px solid var(--border)}.btn--ghost:hover:not(:disabled){background:var(--bg)}.btn--danger{background:#fef2f2;color:var(--danger)}.btn--danger:hover:not(:disabled){background:#fee2e2}.btn--sm{padding:.375rem .75rem;font-size:.8125rem}.card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border)}.form-group{margin-bottom:1rem}.form-group label{display:block;font-size:.8125rem;font-weight:600;margin-bottom:.375rem;color:var(--text)}.form-group input,.form-group select,.form-group textarea{width:100%;padding:.625rem .875rem;border:1px solid var(--border);border-radius:8px;font-size:.875rem;background:#fff}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #1565c026}.badge{display:inline-block;padding:.25rem .625rem;border-radius:999px;font-size:.75rem;font-weight:600}.badge--scheduled{background:#dbeafe;color:#1d4ed8}.badge--completed{background:#dcfce7;color:#15803d}.badge--cancelled{background:#fee2e2;color:#b91c1c}.alert{padding:.875rem 1rem;border-radius:8px;margin-bottom:1rem;font-size:.875rem}.alert--error{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}.modal-backdrop{position:fixed;inset:0;background:#0f294280;display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem}.modal{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow-lg);width:100%;max-width:520px;max-height:90vh;overflow-y:auto;padding:1.5rem}.modal h2{margin:0 0 1.25rem;font-size:1.25rem}.modal-actions{display:flex;gap:.75rem;justify-content:flex-end;margin-top:1.5rem}