.auth-page{--auth-fg: #111827;--auth-muted: #6b7280;--auth-border: #e5e7eb;--auth-input-bg: #ffffff;--auth-accent: #2563eb;--auth-accent-soft: #eff6ff;--auth-danger-bg: #fef2f2;--auth-danger-border: #fecaca;--auth-danger-fg: #991b1b;--auth-success-bg: #ecfdf5;--auth-success-border: #a7f3d0;--auth-success-fg: #065f46;position:fixed;inset:0;overflow-y:auto;overflow-x:hidden;display:flex;align-items:center;justify-content:center;padding:24px 16px;box-sizing:border-box;font-family:system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;color:var(--auth-fg);background:radial-gradient(1200px 600px at 10% -10%, rgba(37,99,235,0.12), transparent 55%),radial-gradient(900px 500px at 100% 20%, rgba(249,115,22,0.08), transparent 50%),linear-gradient(165deg, #f8fafc 0%, #f1f5f9 45%, #eef2ff 100%)}.auth-card{width:100%;max-width:400px;padding:32px 28px 28px;background:#ffffff;border:1px solid var(--auth-border);border-radius:16px;box-shadow:0 1px 2px rgba(15,23,42,0.06),0 12px 32px -8px rgba(15,23,42,0.12)}.auth-brand{margin:0 0 6px;font-size:13px;font-weight:600;letter-spacing:0.04em;text-transform:uppercase;color:var(--auth-accent)}.auth-title{margin:0 0 8px;font-size:24px;font-weight:700;letter-spacing:-0.02em;line-height:1.2}.auth-lede{margin:0 0 24px;font-size:15px;line-height:1.5;color:var(--auth-muted)}.auth-flash{margin:0 0 20px;padding:12px 14px;font-size:14px;line-height:1.45;border-radius:10px;border:1px solid var(--auth-border)}.auth-flash--notice{background:var(--auth-success-bg);border-color:var(--auth-success-border);color:var(--auth-success-fg)}.auth-flash--alert{background:var(--auth-danger-bg);border-color:var(--auth-danger-border);color:var(--auth-danger-fg)}.auth-form .field{margin-bottom:18px}.auth-form label{display:block;margin-bottom:6px;font-size:14px;font-weight:500;color:var(--auth-fg)}.auth-form input[type="email"],.auth-form input[type="password"]{width:100%;box-sizing:border-box;padding:10px 12px;font-size:15px;line-height:1.4;color:var(--auth-fg);background:var(--auth-input-bg);border:1px solid var(--auth-border);border-radius:10px;transition:border-color 0.15s ease, box-shadow 0.15s ease}.auth-form input[type="email"]::placeholder,.auth-form input[type="password"]::placeholder{color:#9ca3af}.auth-form input[type="email"]:hover,.auth-form input[type="password"]:hover{border-color:#d1d5db}.auth-form input[type="email"]:focus,.auth-form input[type="password"]:focus{outline:none;border-color:var(--auth-accent);box-shadow:0 0 0 3px rgba(37,99,235,0.2)}.auth-remember{display:flex;align-items:center;gap:8px;margin-bottom:22px}.auth-remember input[type="checkbox"]{width:16px;height:16px;accent-color:var(--auth-accent)}.auth-remember label{margin:0;font-size:14px;font-weight:400;color:var(--auth-muted);cursor:pointer}.auth-form .actions{margin-top:4px}.auth-form input[type="submit"]{width:100%;padding:12px 16px;font-size:15px;font-weight:600;color:#ffffff;background:var(--auth-fg);border:none;border-radius:10px;cursor:pointer;transition:background 0.15s ease, transform 0.05s ease}.auth-form input[type="submit"]:hover{background:#1f2937}.auth-form input[type="submit"]:active{transform:translateY(1px)}.auth-form input[type="submit"]:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(37,99,235,0.35)}.auth-footer{margin-top:24px;padding-top:20px;border-top:1px solid var(--auth-border);font-size:14px;line-height:1.6}.auth-footer a{color:var(--auth-accent);text-decoration:none;font-weight:500}.auth-footer a:hover{text-decoration:underline}.auth-links{display:flex;flex-direction:column;gap:8px}.auth-links br{display:none}.auth-footer .auth-back{margin-top:12px}.auth-footer .auth-back a{color:var(--auth-muted);font-weight:400}#error_explanation{margin:0 0 20px;padding:12px 14px;background:var(--auth-danger-bg);border:1px solid var(--auth-danger-border);border-radius:10px;color:var(--auth-danger-fg)}#error_explanation h2{margin:0 0 8px;font-size:14px;font-weight:600}#error_explanation ul{margin:0;padding-left:18px;font-size:14px}