/* =============================================================
   SLMConsole by SLM · Auth screen
   Depende de tokens.css. Paleta: negro + morado.
   ============================================================= */

html, body { height: 100%; }

/* =============================================================
   SHELL
   ============================================================= */
.auth-shell {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    height: 100dvh;          /* exactamente la viewport — sin scroll Y en desktop */
    min-height: 560px;       /* fallback para pantallas muy bajas */
    width: 100%;
    max-width: 100vw;
    overflow: hidden;        /* clip global del shell */
}

/* =============================================================
   BRAND PANEL (izquierda) — mantiene tono oscuro de marca (hero)
   ============================================================= */
.auth-brand {
    position: relative;
    overflow: hidden;
    padding: clamp(28px, 4vw, 56px);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 24px;
    background: var(--nk-shell-bg);
    border-right: 1px solid var(--nk-shell-border);
    color: var(--nk-shell-text);
    isolation: isolate;
    min-width: 0;
    min-height: 0;
}
.auth-brand .brand-lockup,
.auth-brand .auth-brand__copy h2 { color: var(--nk-shell-text); }
.auth-brand .auth-brand__copy p { color: var(--nk-shell-text-2); }
.auth-brand .auth-brand__foot   { color: var(--nk-shell-text-dim); }
.auth-brand .brand-text .brand-by { color: var(--nk-shell-text-dim); }

/* fondo decorativo: dos orbes morados + grid sutil */
.auth-brand__bg {
    position: absolute; inset: 0;
    z-index: -1;
    pointer-events: none;
}
.auth-brand__bg .orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    opacity: .55;
    animation: orbDrift 16s ease-in-out infinite alternate;
}
.auth-brand__bg .orb-a {
    width: 460px; height: 460px;
    background: radial-gradient(circle, var(--nk-purple-2) 0%, transparent 65%);
    top: -120px; right: -80px;
}
.auth-brand__bg .orb-b {
    width: 420px; height: 420px;
    background: radial-gradient(circle, var(--nk-purple-4) 0%, transparent 65%);
    bottom: -120px; left: -100px;
    animation-delay: -8s;
}
.auth-brand__bg .grid {
    position: absolute; inset: 0;
    background-image:
        linear-gradient(to right, rgba(139,92,255,.06) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(139,92,255,.06) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 30%, transparent 75%);
}
@keyframes orbDrift {
    0%   { transform: translate(0, 0); }
    100% { transform: translate(30px, -20px); }
}

/* lockup */
.brand-lockup {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--nk-text);
}
.brand-lockup:hover { color: var(--nk-text); }
.brand-mark {
    width: 52px; height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.brand-mark img {
    width: 100%;
    height: auto;
    display: block;
}
.brand-text {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 19px;
    letter-spacing: -0.01em;
}
.brand-text strong {
    font-weight: 700;
}
.brand-text .brand-by {
    font-weight: 500;
    color: var(--nk-text-dim);
    font-size: 13px;
    letter-spacing: .03em;
}
.brand-text .brand-slm {
    height: 48px;
    width: auto;
    display: block;
}

/* copy */
.auth-brand__copy {
    max-width: 520px;
}
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border: 1px solid var(--nk-shell-border-2);
    background: rgba(139, 92, 255, .10);
    color: var(--nk-purple-1);
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .04em;
    text-transform: uppercase;
    margin-bottom: 22px;
}
.eyebrow .ic { width: 14px; height: 14px; }
.eyebrow svg { stroke: currentColor; fill: none; }

.auth-brand__copy h2 {
    font-size: clamp(22px, 3vw, 36px);
    line-height: 1.15;
    letter-spacing: -0.02em;
    font-weight: 700;
    margin: 0 0 16px;
}
.auth-brand__copy h2 .grad {
    background: linear-gradient(135deg, var(--nk-purple-1) 0%, var(--nk-purple-3) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.auth-brand__copy p {
    color: var(--nk-text-2);
    margin: 0;
    font-size: 15.5px;
    max-width: 480px;
}

/* foot */
.auth-brand__foot {
    color: var(--nk-text-dim);
    font-size: 13px;
    display: inline-flex;
    align-items: center;
    gap: 9px;
    font-family: var(--nk-mono);
    letter-spacing: .02em;
}
.auth-brand__foot .dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--nk-purple-2);
    box-shadow: 0 0 0 4px rgba(139, 92, 255, .15);
    animation: pulse 2.5s ease-in-out infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50%      { opacity: .35; }
}

/* =============================================================
   FORM PANEL (derecha) — modo claro
   ============================================================= */
.auth-form {
    background: var(--nk-page-bg);
    color: var(--nk-page-text);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(24px, 4vw, 40px);
    position: relative;
    overflow: hidden;
    min-width: 0;
    min-height: 0;
}
.auth-form::before {
    /* halo morado superior derecho, sutil sobre claro */
    content: "";
    position: absolute;
    top: -180px; right: -180px;
    width: 480px; height: 480px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(139,92,255,.10) 0%, transparent 60%);
    pointer-events: none;
}

.auth-form__card {
    position: relative;
    width: 100%;
    max-width: 400px;
    max-height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: thin;
    scrollbar-color: var(--nk-page-border-2) transparent;
    animation: cardIn .55s cubic-bezier(.2,.7,.2,1) both;
}
.auth-form__card::-webkit-scrollbar       { width: 6px; }
.auth-form__card::-webkit-scrollbar-thumb { background: var(--nk-page-border-2); border-radius: 3px; }
@keyframes cardIn {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: none; }
}

/* head */
.auth-form__head { margin-bottom: 28px; }
.auth-form .kicker {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .14em;
    color: var(--nk-purple-3);
    margin-bottom: 12px;
    font-family: var(--nk-mono);
}
.auth-form__head h1 {
    margin: 0 0 8px;
    font-size: 28px;
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: -0.015em;
    color: var(--nk-page-text);
}
.auth-form__head p {
    margin: 0;
    color: var(--nk-page-text-dim);
    font-size: 14.5px;
}

/* fields */
.f-field {
    display: block;
    margin-bottom: 14px;
}
.f-label {
    display: block;
    font-size: 12.5px;
    color: var(--nk-page-text-2);
    margin-bottom: 7px;
    font-weight: 600;
    letter-spacing: .01em;
}
.f-input {
    position: relative;
    display: block;
}
.f-input input {
    width: 100%;
    height: 48px;
    background: var(--nk-page-surface);
    border: 1px solid var(--nk-page-border);
    border-radius: var(--nk-radius-sm);
    padding: 0 16px;
    color: var(--nk-page-text);
    font: inherit;
    font-size: 15px;
    transition: border-color .15s ease, background .15s ease, box-shadow .15s ease;
}
.f-input input:hover { border-color: var(--nk-page-border-2); }
.f-input input:focus {
    outline: none;
    border-color: var(--nk-purple-2);
    box-shadow: 0 0 0 4px var(--nk-purple-ring);
}
.f-input input::placeholder { color: #9aa0ad; }

/* eye toggle */
.pwd-toggle {
    position: absolute;
    top: 50%;
    right: 8px;
    transform: translateY(-50%);
    width: 34px; height: 34px;
    border: 0;
    background: transparent;
    color: var(--nk-page-text-dim);
    border-radius: var(--nk-radius-xs);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: color .15s ease, background .15s ease;
}
.pwd-toggle:hover {
    color: var(--nk-page-text);
    background: var(--nk-purple-soft);
}
.pwd-toggle svg { width: 18px; height: 18px; }

/* submit */
.f-submit {
    position: relative;
    width: 100%;
    height: 48px;
    border: 0;
    border-radius: var(--nk-radius-sm);
    background: linear-gradient(135deg, var(--nk-purple-2) 0%, var(--nk-purple-3) 60%, var(--nk-purple-4) 100%);
    color: white;
    font: inherit;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    margin-top: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: transform .08s ease, box-shadow .2s ease, opacity .2s ease;
    box-shadow: 0 2px 4px rgba(110,62,255,.18), 0 8px 20px rgba(110,62,255,.22);
    overflow: hidden;
}
.f-submit::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,.18) 50%, transparent 70%);
    transform: translateX(-110%);
    transition: transform .55s ease;
}
.f-submit:hover::before { transform: translateX(110%); }
.f-submit:hover  { box-shadow: 0 4px 8px rgba(110,62,255,.22), 0 14px 30px rgba(110,62,255,.30); }
.f-submit:active { transform: translateY(1px); }
.f-submit:disabled { opacity: .65; cursor: wait; }

.f-submit .icon { width: 18px; height: 18px; transition: transform .2s ease; }
.f-submit:hover .icon { transform: translateX(2px); }

.f-submit .spinner {
    width: 16px; height: 16px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,.35);
    border-top-color: white;
    display: none;
    animation: spin .7s linear infinite;
}
.f-submit.is-loading .spinner { display: inline-block; }
.f-submit.is-loading .icon    { display: none; }
.f-submit.is-loading .label   { opacity: .85; }
@keyframes spin { to { transform: rotate(360deg); } }

/* error */
.f-error {
    display: none;
    align-items: flex-start;
    gap: 9px;
    color: #b91c1c;
    background: var(--nk-error-soft);
    border: 1px solid rgba(220,38,38,.22);
    padding: 10px 14px;
    border-radius: var(--nk-radius-sm);
    font-size: 13.5px;
    margin-bottom: 14px;
}
.f-error.is-show { display: flex; }
.f-error svg     { width: 16px; height: 16px; stroke: var(--nk-error); flex: 0 0 auto; margin-top: 1px; }

/* shake */
.is-shake { animation: shake .35s ease; }
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%      { transform: translateX(-6px); }
    40%      { transform: translateX(6px); }
    60%      { transform: translateX(-4px); }
    80%      { transform: translateX(4px); }
}

/* foot */
.auth-form__foot {
    margin-top: 28px;
    text-align: center;
    color: var(--nk-page-text-dim);
    font-size: 12px;
    letter-spacing: .02em;
}
.auth-form__foot .brandline em {
    font-style: normal;
    color: var(--nk-purple-3);
    font-weight: 600;
}

/* =============================================================
   RESPONSIVE
   En mobile/tablet → el shell deja de fijarse a 100dvh y permite
   el scroll natural del documento (brand arriba, formulario debajo).
   Sigue sin scroll horizontal.
   ============================================================= */
@media (max-width: 920px) {
    .auth-shell {
        grid-template-columns: 1fr;
        height: auto;
        min-height: 100dvh;
        overflow: visible;
    }
    .auth-brand {
        padding: 32px 24px;
        border-right: 0;
        border-bottom: 1px solid var(--nk-shell-border);
        gap: 28px;
    }
    .auth-form {
        padding: 28px 22px 36px;
        min-height: auto;
    }
    .auth-form__card { max-height: none; overflow: visible; }
}

@media (max-width: 480px) {
    .auth-brand           { padding: 26px 20px; }
    .auth-brand__copy h2  { font-size: 22px; }
    .auth-brand__copy p   { font-size: 14.5px; }
    .auth-form__head h1   { font-size: 24px; }
}

@media (max-height: 620px) and (min-width: 921px) {
    /* Pantallas bajas en desktop (split keyboards, ventanas chicas) */
    .auth-form__card { padding-block: 8px; }
    .auth-brand__copy h2 { font-size: clamp(20px, 2.4vw, 28px); }
    .auth-form__head h1  { font-size: 24px; }
}