:root{--bg-grad:linear-gradient(135deg,#eef4ff,#dbeafe);--card-bg:#fff;--card-inner:#f8fafc;--text-main:#0f172a;--text-soft:#475569;--border-subtle:rgba(148,163,184,.45);--accent:#2563eb;--accent-strong:#1d4ed8;--danger-soft:rgba(239,68,68,.14);--success-soft:rgba(34,197,94,.14);--shadow-main:rgba(15,23,42,.12)}
[data-theme="dark"]{--bg-grad:#020617;--card-bg:#020617;--card-inner:#0b1220;--text-main:#e5e7eb;--text-soft:#9ca3af;--border-subtle:rgba(148,163,184,.35);--accent:#3b82f6;--accent-strong:#60a5fa;--danger-soft:rgba(239,68,68,.18);--success-soft:rgba(34,197,94,.18);--shadow-main:rgba(0,0,0,.42)}
*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg-grad);color:var(--text-main);font-family:"Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;display:flex;align-items:center;justify-content:center;padding:18px}.password-wrap{width:min(560px,100%)}.password-card{background:var(--card-bg);border:1px solid var(--border-subtle);border-radius:22px;padding:24px;box-shadow:0 24px 70px var(--shadow-main)}.password-header{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:18px}.password-header h1{margin:0;font-size:28px;font-weight:900}.password-header p{margin:6px 0 0;color:var(--text-soft);font-weight:700}.password-form{display:grid;gap:14px}.password-form label{display:grid;gap:7px;font-weight:900;color:var(--text-soft);text-transform:uppercase;font-size:12px;letter-spacing:.04em}.password-form input{border:1px solid var(--border-subtle);border-radius:14px;background:var(--card-inner);color:var(--text-main);padding:13px 14px;font:inherit;font-weight:800}.password-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(37,99,235,.14)}.password-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:8px}.btn{border:0;border-radius:12px;padding:11px 16px;font-weight:900;cursor:pointer}.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-strong));color:#fff}.btn-secondary{background:var(--card-inner);color:var(--text-main);border:1px solid var(--border-subtle)}.alert{border-radius:14px;padding:12px 14px;margin:0 0 14px;background:var(--success-soft);border:1px solid rgba(34,197,94,.35);font-weight:800}.alert.error{background:var(--danger-soft);border-color:rgba(239,68,68,.35)}.theme-toggle{width:58px;height:30px;border-radius:999px;background:var(--card-inner);border:1px solid var(--border-subtle);padding:3px;cursor:pointer;display:flex;align-items:center}.theme-toggle-slider{width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--accent),var(--accent-strong));font-size:13px;transition:transform .25s ease}[data-theme="dark"] .theme-toggle-slider{transform:translateX(28px)}@media(max-width:560px){.password-card{padding:18px}.password-actions{flex-direction:column}.btn{width:100%}}