:root{--bg:#f3f4fb;--surface:#fff;--surface-sunken:#f7f8fc;--border:#e7e8f2;--border-strong:#d4d6e4;--text:#1d2030;--text-soft:#565b6e;--text-muted:#888da0;--accent:#4f46e5;--accent-hover:#4338ca;--accent-ring:#4f46e559;--success:#15966a;--success-soft:#e4f5ee;--danger:#d4322b;--danger-soft:#fdecec;--danger-border:#f4cccc;--reminder-text:#9a6206;--reminder-soft:#fdf3e0;--radius-sm:8px;--radius:12px;--radius-lg:16px;--radius-pill:999px;--shadow-sm:0 1px 2px #181b2e0f;--shadow:0 1px 2px #181b2e0d, 0 8px 20px -8px #181b2e24;--shadow-lg:0 16px 40px -12px #181b2e4d;--t:.16s ease}*,:before,:after{box-sizing:border-box}html,body{margin:0;padding:0}body{min-height:100dvh;color:var(--text);background:radial-gradient(900px 360px at 50% -140px, #4f46e51a, transparent 70%), var(--bg);-webkit-font-smoothing:antialiased;background-attachment:fixed;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}h1,h2,h3,p{margin:0 0 .75rem}h1,h2,h3{letter-spacing:-.01em;font-weight:700;line-height:1.2}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{font:inherit;cursor:pointer}input,textarea,select{font:inherit}.app-main{max-width:680px;margin:0 auto;padding:2.5rem 1.25rem 4rem}@media (width<=480px){.app-main{padding:1.5rem 1rem 3rem}}.note{color:var(--text-muted)}input[type=text],input[type=email],input[type=password],input[type=datetime-local],textarea{width:100%;color:var(--text);background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius-sm);transition:border-color var(--t), box-shadow var(--t);padding:.6rem .75rem}input::placeholder,textarea::placeholder{color:var(--text-muted)}input[type=text]:focus,input[type=email]:focus,input[type=password]:focus,input[type=datetime-local]:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-ring);outline:none}textarea{resize:vertical;min-height:2.75rem}input[type=datetime-local]::-webkit-calendar-picker-indicator{cursor:pointer;opacity:.55;transition:opacity var(--t)}input[type=datetime-local]::-webkit-calendar-picker-indicator:hover{opacity:1}.btn{color:var(--text-soft);background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius-sm);transition:background var(--t), border-color var(--t), color var(--t), box-shadow var(--t), transform var(--t);justify-content:center;align-items:center;gap:.4rem;padding:.5rem .9rem;font-size:.875rem;font-weight:600;line-height:1.15;display:inline-flex}.btn:hover{background:var(--surface-sunken)}.btn:active{transform:translateY(1px)}.btn:focus-visible{box-shadow:0 0 0 3px var(--accent-ring);outline:none}.btn:disabled{opacity:.55;cursor:not-allowed}.btn--primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn--primary:hover:not(:disabled){background:var(--accent-hover);border-color:var(--accent-hover)}.btn--danger{color:var(--danger);border-color:var(--danger-border)}.btn--danger:hover:not(:disabled){background:var(--danger-soft)}.btn--ghost{color:var(--text-soft);background:0 0;border-color:#0000}.btn--ghost:hover:not(:disabled){background:var(--surface-sunken);color:var(--text)}.btn--block{width:100%}.btn--sm{padding:.4rem .7rem;font-size:.8125rem}.alert{border-radius:var(--radius-sm);background:var(--danger-soft);border:1px solid var(--danger-border);color:#b42318;padding:.7rem .85rem;font-size:.875rem}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.001ms!important;animation-duration:.001ms!important}}