:root{--ink:#142735;--muted:#647684;--line:#d7e2e9;--accent:#087cad;--accent-dark:#07577f;--accent-light:#18a9dc;--surface:#fff;--soft:#f2f8fb;--danger:#bd2c3c}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,"Segoe UI",system-ui,-apple-system,sans-serif;color:var(--ink)}body{min-height:100vh;background:var(--soft)}button,input{font:inherit}
.login-shell{min-height:100vh;display:grid;grid-template-columns:minmax(0,1.5fr) minmax(390px,.72fr)}
.login-visual{position:relative;overflow:hidden;display:flex;align-items:flex-end;padding:clamp(2rem,5vw,5rem);background-image:linear-gradient(90deg,rgba(18,14,11,.7),rgba(18,14,11,.18) 62%,rgba(18,14,11,.05)),url("../images/login-muebleria.png");background-size:cover;background-position:center}
.login-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(15,11,8,.7),transparent 55%);pointer-events:none}.visual-content{position:relative;z-index:1;max-width:660px;color:#fff;text-shadow:0 2px 18px rgba(0,0,0,.3)}.eyebrow,.mobile-eyebrow{display:inline-block;text-transform:uppercase;letter-spacing:.16em;font-size:.72rem;font-weight:700}.eyebrow{padding:.42rem .75rem;border:1px solid rgba(255,255,255,.4);border-radius:999px;background:rgba(255,255,255,.1);backdrop-filter:blur(8px)}.visual-content h1{font-family:Georgia,"Times New Roman",serif;font-weight:500;font-size:clamp(2.7rem,5vw,5.2rem);line-height:1.02;margin:1.1rem 0}.visual-content>p{font-size:clamp(1rem,1.5vw,1.25rem);line-height:1.6;max-width:580px;color:rgba(255,255,255,.86)}.visual-features{display:flex;flex-wrap:wrap;gap:1.25rem;margin-top:1.8rem}.visual-features span{display:flex;align-items:center;gap:.45rem;font-size:.9rem}.photo-credit{position:absolute;z-index:1;right:1.25rem;bottom:1rem;color:rgba(255,255,255,.62);font-size:.7rem}
.login-panel{display:flex;align-items:center;justify-content:center;background:var(--surface);padding:clamp(1.5rem,4vw,4.5rem)}.login-card{width:min(100%,440px);animation:enter .55s ease both}.brand{display:flex;justify-content:flex-start;margin-bottom:2.4rem}.logo{display:block;max-width:150px;max-height:74px;object-fit:contain}.login-heading{margin-bottom:2rem}.mobile-eyebrow{color:var(--accent);margin-bottom:.75rem}.login-heading h2{font-family:Georgia,"Times New Roman",serif;font-size:2.25rem;font-weight:500;margin:0 0 .55rem}.login-heading p{color:var(--muted);margin:0;line-height:1.55}
.field-group{margin-bottom:1.15rem}.field-group label{font-size:.88rem;font-weight:650}.label-row{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:.5rem}.field-group>label{display:block;margin-bottom:.5rem}.field-control{position:relative}.field-control>i{position:absolute;left:1rem;top:50%;transform:translateY(-50%);color:#928981;font-size:1.05rem}.field-control input{width:100%;height:52px;padding:0 3rem;border:1px solid var(--line);border-radius:12px;background:#fff;outline:none;transition:border-color .18s,box-shadow .18s}.field-control input:hover{border-color:#bcb3ab}.field-control input:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(107,76,53,.12)}.password-toggle{position:absolute;right:.55rem;top:50%;transform:translateY(-50%);display:grid;place-items:center;width:38px;height:38px;border:0;border-radius:9px;background:transparent;color:#756c65;cursor:pointer}.password-toggle:hover{background:var(--soft);color:var(--accent)}.field-error{display:none;color:var(--danger);font-size:.78rem;margin-top:.38rem}.field-group.invalid .field-control input{border-color:var(--danger);box-shadow:0 0 0 3px rgba(189,44,60,.1)}.field-group.invalid .field-error{display:block}.caps-warning{display:none;color:#9a6800;font-size:.72rem}.caps-warning.visible{display:inline-flex;align-items:center;gap:.25rem}
.remember{display:inline-flex;align-items:center;gap:.6rem;color:#5f5751;font-size:.88rem;cursor:pointer;margin:.2rem 0 1.35rem}.remember input{width:17px;height:17px;accent-color:var(--accent)}.submit-button{position:relative;width:100%;height:52px;border:0;border-radius:12px;background:var(--accent);color:#fff;font-weight:700;cursor:pointer;box-shadow:0 10px 24px rgba(78,54,39,.2);transition:transform .18s,background .18s,box-shadow .18s}.submit-button:hover:not(:disabled){background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 13px 28px rgba(78,54,39,.27)}.submit-button:focus-visible{outline:3px solid rgba(107,76,53,.3);outline-offset:3px}.submit-button:disabled{cursor:wait;opacity:.82}.button-loading{display:none}.submit-button.loading .button-label{display:none}.submit-button.loading .button-loading{display:inline-flex;align-items:center;gap:.6rem}.spinner{width:17px;height:17px;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}
.security-note{display:flex;align-items:flex-start;gap:.65rem;margin-top:1.5rem;padding:.85rem 1rem;border-radius:11px;background:var(--soft);color:var(--muted);font-size:.78rem;line-height:1.45}.security-note i{color:var(--accent);font-size:1rem}.login-footer{display:flex;justify-content:space-between;color:#9a928c;font-size:.72rem;margin-top:1.7rem;padding-top:1.2rem;border-top:1px solid #eee9e5}
@keyframes enter{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}@keyframes spin{to{transform:rotate(360deg)}}
@media(max-width:900px){.login-shell{grid-template-columns:1fr}.login-visual{min-height:280px;align-items:center;background-position:62% center;padding:2rem}.visual-content{max-width:520px}.visual-content h1{font-size:clamp(2.1rem,8vw,3.5rem)}.visual-features,.photo-credit{display:none}.login-panel{padding:2.25rem 1.25rem}.login-card{max-width:520px}.brand{margin-bottom:1.5rem}}
@media(max-width:540px){.login-visual{min-height:190px;align-items:flex-end}.visual-content h1{font-size:2rem;margin:.7rem 0}.visual-content>p{display:none}.eyebrow{font-size:.64rem}.login-panel{padding:1.7rem 1.1rem}.brand{display:none}.login-heading{margin-bottom:1.5rem}.login-heading h2{font-size:1.85rem}.field-control input{height:50px}.security-note{margin-top:1.2rem}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}

/* Paleta institucional tomada del logotipo de Ivanna. */
.login-visual{background-image:linear-gradient(90deg,rgba(3,48,76,.8),rgba(4,81,119,.3) 62%,rgba(3,42,65,.06)),url("../images/login-muebleria.png")}
.login-visual:after{background:linear-gradient(0deg,rgba(3,45,70,.72),transparent 55%)}
.field-control input:focus{box-shadow:0 0 0 4px rgba(8,124,173,.13)}
.submit-button{background:linear-gradient(135deg,var(--accent),var(--accent-light));box-shadow:0 10px 24px rgba(8,103,153,.22)}
.submit-button:hover:not(:disabled){background:linear-gradient(135deg,var(--accent-dark),var(--accent));box-shadow:0 13px 28px rgba(8,103,153,.3)}
.submit-button:focus-visible{outline-color:rgba(8,124,173,.28)}