:root{--color-sidebar-bg: #16213e;--color-sidebar-hover: #1a2a52;--color-sidebar-active: #1e3264;--color-sidebar-text: #cbd5e1;--color-sidebar-text-dim: #64748b;--color-topbar-bg: #ffffff;--color-page-bg: #f5f6fa;--color-card-bg: #ffffff;--color-primary: #4f6ef7;--color-primary-hover: #3b57e8;--color-primary-light: #eef1fe;--color-text-primary: #1a1d2e;--color-text-secondary: #6b7280;--color-text-muted: #9ca3af;--color-border: #e5e7eb;--color-border-light: #f3f4f6;--color-success: #22c55e;--color-success-light: #dcfce7;--color-warning: #f59e0b;--color-warning-light: #fef3c7;--color-danger: #ef4444;--color-danger-light: #fee2e2;--shadow-card: 0 1px 4px rgba(0, 0, 0, .06), 0 4px 16px rgba(0, 0, 0, .04);--shadow-topbar: 0 1px 0 var(--color-border);--sidebar-width: 240px;--topbar-height: 60px;--sidebar-width-mobile: 260px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-xl: 20px;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Inter", sans-serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);font-size:15px;color:var(--color-text-primary);background-color:var(--color-page-bg);-webkit-font-smoothing:antialiased}.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;padding:.6rem 1.4rem;background-color:var(--color-primary);color:#fff;border:none;border-radius:var(--radius-sm);font-size:.875rem;font-weight:600;cursor:pointer;transition:background-color .2s}.btn-primary:hover:not(:disabled){background-color:var(--color-primary-hover)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;padding:.6rem 1.4rem;background-color:transparent;color:var(--color-primary);border:1.5px solid var(--color-primary);border-radius:var(--radius-sm);font-size:.875rem;font-weight:600;cursor:pointer;transition:background-color .2s}.btn-secondary:hover:not(:disabled){background-color:var(--color-primary-light)}.card{background-color:var(--color-card-bg);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:1.5rem}.form-label{display:block;font-size:.8rem;font-weight:600;color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.4px;margin-bottom:.35rem}.form-input{width:100%;padding:.65rem .9rem;border:1.5px solid var(--color-border);border-radius:var(--radius-sm);font-size:.9rem;color:var(--color-text-primary);background-color:#fff;outline:none;transition:border-color .2s,box-shadow .2s}.form-input::placeholder{color:var(--color-text-muted)}.form-input:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #4f6ef71f}.form-input.is-error{border-color:var(--color-danger)}.form-input.is-error:focus{box-shadow:0 0 0 3px #ef44441f}.form-error{font-size:.78rem;color:var(--color-danger);margin-top:.25rem}