*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #2563eb;--primary-hover: #1d4ed8;--danger: #dc2626;--success: #16a34a;--text: #111827;--text-muted: #6b7280;--border: #e5e7eb;--bg: #f9fafb;--white: #ffffff;--radius: 8px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);--shadow: 0 4px 12px rgba(0, 0, 0, .1)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1rem}.auth-card{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow-sm);border:1px solid var(--border);padding:2rem;width:100%;max-width:400px}.auth-card .logo{font-size:2rem;text-align:center;display:block;margin-bottom:.25rem}.auth-card h2{font-size:1.25rem;font-weight:600;text-align:center;margin-bottom:1.5rem;color:var(--text-muted)}.field{margin-bottom:1rem}.field label{display:block;font-size:.875rem;font-weight:500;margin-bottom:.375rem}.field input,.field select,.field textarea{width:100%;padding:.5rem .75rem;border:1px solid var(--border);border-radius:6px;font-size:1rem;font-family:inherit;background:var(--white);color:var(--text);outline:none;transition:border-color .15s}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}.btn-primary{display:inline-block;width:100%;padding:.625rem 1.25rem;background:var(--primary);color:#fff;border:none;border-radius:6px;font-size:1rem;font-weight:500;cursor:pointer;text-align:center;text-decoration:none;transition:background .15s;line-height:1.5}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-primary:disabled{opacity:.55;cursor:not-allowed}.btn-secondary{display:inline-block;padding:.5rem 1rem;background:transparent;color:var(--primary);border:1px solid var(--border);border-radius:6px;font-size:.875rem;font-weight:500;cursor:pointer;text-decoration:none;transition:border-color .15s,background .15s;line-height:1.5}.btn-secondary:hover{border-color:var(--primary);background:#2563eb0a}.btn-danger{display:inline-block;padding:.5rem 1rem;background:var(--danger);color:#fff;border:none;border-radius:6px;font-size:.875rem;font-weight:500;cursor:pointer;text-decoration:none;transition:opacity .15s}.btn-danger:hover{opacity:.85}.error-msg{color:var(--danger);font-size:.875rem;margin-bottom:.75rem}.success-msg{color:var(--success);font-size:.875rem;margin-bottom:.75rem}.auth-link{text-align:center;font-size:.875rem;color:var(--text-muted);margin-top:1rem}.auth-link a{color:var(--primary);text-decoration:none;font-weight:500}.app-header{background:var(--white);border-bottom:1px solid var(--border);padding:0 1.25rem;height:56px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:10}.app-header .brand{font-size:1.25rem;font-weight:700;text-decoration:none;color:var(--text)}.page{padding:1.5rem 1.25rem;max-width:960px;margin:0 auto}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem;gap:1rem}.page-header h2{font-size:1.5rem;font-weight:700}.trip-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1rem}.trip-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;text-decoration:none;color:inherit;display:block;transition:box-shadow .15s,border-color .15s;cursor:pointer}.trip-card:hover{box-shadow:var(--shadow);border-color:#d1d5db}.trip-card h3{font-size:1.0625rem;font-weight:600;margin-bottom:.25rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.trip-card .destination{font-size:.875rem;color:var(--text-muted);margin-bottom:.5rem}.trip-card .dates{font-size:.8125rem;color:var(--text-muted)}.trip-card.archived{opacity:.6}.section-label{font-size:.875rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin:2rem 0 .75rem}.empty-state{text-align:center;padding:4rem 1rem;color:var(--text-muted)}.empty-state .empty-icon{font-size:3rem;display:block;margin-bottom:.75rem}.empty-state p{margin-bottom:1.25rem}.loading{text-align:center;padding:3rem;color:var(--text-muted);font-size:.9375rem}.form-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;max-width:560px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.form-actions{display:flex;gap:.75rem;margin-top:1.5rem;justify-content:flex-end;flex-wrap:wrap}@media (max-width: 480px){.form-row{grid-template-columns:1fr}.form-actions{flex-direction:column-reverse}.form-actions .btn-primary,.form-actions .btn-secondary{width:100%;text-align:center}}