:root{--navy-950:#071122;--navy-900:#0a1730;--navy-800:#0d1f3f;--navy-700:#12294f;--navy-600:#17335f;--blue-300:#7cc0f5;--blue-400:#4fa3e3;--blue-500:#2b8ce6;--blue-600:#1f6fc4;--accent-gradient:linear-gradient(135deg,#57b0ef,#2b8ce6 45%,#1f6fc4);--text:#eaf1fb;--text-muted:#9fb3d1;--text-faint:#6f85a8;--danger:#ff6b6b;--danger-bg:hsla(0,100%,71%,.12);--success:#52d1a4;--success-bg:rgba(82,209,164,.12);--card-bg:hsla(0,0%,100%,.045);--card-border:rgba(124,168,224,.18);--input-bg:hsla(0,0%,100%,.04);--input-border:rgba(124,168,224,.24);--focus-ring:rgba(79,163,227,.55);--radius-sm:8px;--radius:14px;--radius-lg:20px;--font-sans:"Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif}*,:after,:before{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:var(--font-sans);color:var(--text);background-color:var(--navy-950);background-image:radial-gradient(1100px 600px at 15% -10%,rgba(43,140,230,.18),transparent 60%),radial-gradient(900px 600px at 100% 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20px;gap:24px}.auth-brand{display:inline-flex;align-items:center;gap:14px}.auth-brand__mark{width:44px;height:44px;flex:none}.auth-brand__divider{width:1px;height:34px;background:linear-gradient(var(--blue-400),transparent);opacity:.6}.auth-brand__name{font-size:15px;font-weight:600;letter-spacing:.14em;line-height:1.15;text-transform:uppercase;color:var(--text)}.auth-brand__name span{color:var(--text-muted);font-weight:500}.auth-card{width:100%;max-width:440px;background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius-lg);padding:32px;box-shadow:0 24px 60px -30px rgba(0,0,0,.75),inset 0 1px 0 hsla(0,0%,100%,.04);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.auth-card__title{margin:0 0 6px;font-size:1.5rem;font-weight:700;letter-spacing:-.01em}.auth-card__subtitle{margin:0 0 24px;color:var(--text-muted);font-size:.95rem;line-height:1.5}.auth-footer{margin-top:22px;padding-top:18px;border-top:1px solid var(--card-border);font-size:.9rem;color:var(--text-muted);text-align:center;gap:8px}.auth-footer,.auth-form{display:flex;flex-direction:column}.auth-form{gap:18px}.form-row{display:flex;gap:14px}.form-row>*{flex:1 1;min-width:0}.field{display:flex;flex-direction:column;gap:7px}.field__label{font-size:.85rem;font-weight:600;color:var(--text)}.field__input{width:100%;padding:12px 14px;font-size:.95rem;color:var(--text);background:var(--input-bg);border:1px solid var(--input-border);border-radius:var(--radius-sm);transition:border-color .15s,box-shadow .15s,background .15s}.field__input::placeholder{color:var(--text-faint)}.field__input:hover{border-color:rgba(124,168,224,.4)}.field__input:focus{outline:none;border-color:var(--blue-400);box-shadow:0 0 0 3px var(--focus-ring);background:hsla(0,0%,100%,.06)}.field__input--invalid{border-color:var(--danger)}.field__input--invalid:focus{box-shadow:0 0 0 3px hsla(0,100%,71%,.4)}.field__hint{font-size:.8rem;color:var(--text-faint)}.field__error{font-size:.8rem;color:var(--danger)}.password{position:relative}.password .field__input{padding-right:68px}.password__toggle{position:absolute;right:8px;top:50%;transform:translateY(-50%);background:transparent;border:none;color:var(--blue-300);font-size:.8rem;font-weight:600;padding:6px 8px;cursor:pointer;border-radius:6px}.password__toggle:hover{background:rgba(124,168,224,.12)}.checkbox{display:flex;align-items:flex-start;gap:10px;font-size:.88rem;color:var(--text-muted);line-height:1.45}.checkbox input{margin-top:2px;width:17px;height:17px;accent-color:var(--blue-500);flex:none}.strength{display:flex;flex-direction:column;gap:10px}.strength__bar{display:flex;gap:5px}.strength__seg{height:5px;flex:1 1;border-radius:999px;background:rgba(124,168,224,.18);transition:background 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