/* CHILPO Plaza — Auth (armonía con chilpo.com.mx) */
:root {
    --chilpo-blue: #2873de;
    --chilpo-blue-deep: #1a5bb8;
    --chilpo-navy: #001659;
    --chilpo-yellow: #ffcc00;
    --chilpo-yellow-soft: #ffe566;
    --ink: #0f172a;
    --muted: rgba(15, 23, 42, 0.62);
    --paper: #ffffff;
    --bg: #f4f7fb;
    --rule: rgba(15, 23, 42, 0.1);
    --radius: 22px;
    --radius-sm: 14px;
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
    --shell: min(1120px, calc(100% - 2rem));
    --font: "Montserrat", system-ui, -apple-system, "Segoe UI", sans-serif;
}

*,
*::before,
*::after { box-sizing: border-box; }

html, body {
    margin: 0;
    min-height: 100%;
}

body.auth-page {
    font-family: var(--font);
    color: var(--ink);
    -webkit-font-smoothing: antialiased;
    background: var(--bg);
}

.auth-bg {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: clamp(1.1rem, 3vw, 2.4rem) 0 2rem;
    position: relative;
    overflow-x: hidden;
    background:
        radial-gradient(900px 420px at 10% -5%, rgba(40, 115, 222, 0.18), transparent 55%),
        radial-gradient(720px 380px at 100% 8%, rgba(255, 204, 0, 0.22), transparent 50%),
        radial-gradient(600px 360px at 50% 110%, rgba(40, 115, 222, 0.08), transparent 55%),
        linear-gradient(180deg, #eef4fc 0%, #f7f9fc 42%, #ffffff 100%);
}

.auth-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(48px);
    pointer-events: none;
    z-index: 0;
    opacity: 0.9;
    animation: orbFloat 9s ease-in-out infinite;
}
.auth-orb--a {
    width: min(380px, 68vw);
    height: min(380px, 68vw);
    right: -6%;
    top: -8%;
    background: radial-gradient(circle, rgba(255, 204, 0, 0.45), transparent 70%);
}
.auth-orb--b {
    width: min(420px, 72vw);
    height: min(420px, 72vw);
    left: -10%;
    bottom: -14%;
    background: radial-gradient(circle, rgba(40, 115, 222, 0.35), transparent 70%);
    animation-delay: -3.5s;
}
.auth-orb--c {
    width: min(220px, 40vw);
    height: min(220px, 40vw);
    left: 42%;
    top: 18%;
    background: radial-gradient(circle, rgba(40, 115, 222, 0.12), transparent 70%);
    animation-delay: -1.8s;
}

.auth-dots {
    position: absolute;
    inset: 0;
    z-index: 0;
    opacity: 0.35;
    background-image: radial-gradient(rgba(15, 27, 45, 0.12) 1px, transparent 1px);
    background-size: 22px 22px;
    mask-image: radial-gradient(ellipse at 50% 35%, #000 15%, transparent 72%);
    pointer-events: none;
}

.auth-shell {
    width: var(--shell);
    margin-inline: auto;
    position: relative;
    z-index: 1;
}

.auth-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.85rem;
    margin-bottom: clamp(1.1rem, 3vw, 1.75rem);
}
.auth-brand {
    display: inline-flex;
    align-items: baseline;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--ink);
    min-width: 0;
}
.auth-brand-mark {
    font-weight: 900;
    letter-spacing: 0.02em;
    font-size: clamp(1.2rem, 2.5vw, 1.45rem);
    color: var(--chilpo-blue);
}
.auth-brand-sub {
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
}
.auth-top-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--ink);
    text-decoration: none;
    font-weight: 800;
    font-size: 0.86rem;
    padding: 0.55rem 1rem;
    border-radius: 999px;
    border: 1.5px solid var(--rule);
    background: var(--paper);
    box-shadow: 0 6px 18px rgba(15, 27, 45, 0.05);
    transition: background .18s var(--ease), border-color .18s var(--ease), transform .18s var(--ease);
    white-space: nowrap;
}
.auth-top-link svg { width: 14px; height: 14px; }
.auth-top-link:hover {
    border-color: rgba(40, 115, 222, 0.45);
    background: #eef5ff;
    transform: translateY(-1px);
    color: var(--chilpo-blue-deep);
}

.auth-layout {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: clamp(1rem, 2.5vw, 1.65rem);
    align-items: stretch;
}

.auth-panel {
    border-radius: var(--radius);
    border: 1px solid rgba(40, 115, 222, 0.12);
    background:
        linear-gradient(165deg, #ffffff 0%, #f3f8ff 55%, #fff9e6 140%);
    padding: clamp(1.5rem, 3.5vw, 2.5rem);
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 360px;
    box-shadow: 0 18px 44px rgba(15, 27, 45, 0.07);
    position: relative;
    overflow: hidden;
}
.auth-panel::before {
    content: "";
    position: absolute;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    right: -40px;
    bottom: -50px;
    background: radial-gradient(circle, rgba(255, 204, 0, 0.35), transparent 70%);
    pointer-events: none;
}
.auth-panel::after {
    content: "";
    position: absolute;
    width: 120px;
    height: 120px;
    border-radius: 28px;
    left: -30px;
    top: -28px;
    background: rgba(40, 115, 222, 0.08);
    transform: rotate(18deg);
    pointer-events: none;
}
.auth-panel-kicker {
    margin: 0 0 0.65rem;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--chilpo-blue);
    position: relative;
    z-index: 1;
}
.auth-panel-title {
    margin: 0;
    font-size: clamp(1.65rem, 1.1rem + 2.2vw, 2.45rem);
    font-weight: 900;
    letter-spacing: -0.035em;
    color: var(--chilpo-navy);
    line-height: 1.12;
    max-width: 18ch;
    position: relative;
    z-index: 1;
}
.auth-panel-title em {
    font-style: normal;
    color: var(--chilpo-blue);
    background: linear-gradient(120deg, rgba(255, 204, 0, 0.35), transparent 70%);
    padding: 0 0.15em;
    border-radius: 6px;
}
.auth-panel-text {
    margin: 1rem 0 0;
    color: var(--muted);
    line-height: 1.6;
    font-size: 1.02rem;
    font-weight: 500;
    max-width: 38ch;
    position: relative;
    z-index: 1;
}
.auth-panel-points {
    list-style: none;
    margin: 1.35rem 0 0;
    padding: 0;
    display: grid;
    gap: 0.7rem;
    position: relative;
    z-index: 1;
}
.auth-panel-points li {
    display: flex;
    gap: 0.7rem;
    align-items: flex-start;
    color: var(--ink);
    font-size: 0.92rem;
    font-weight: 650;
}
.auth-panel-points span {
    width: 24px;
    height: 24px;
    border-radius: 999px;
    background: var(--chilpo-yellow);
    color: var(--chilpo-navy);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.72rem;
    font-weight: 900;
    box-shadow: 0 4px 10px rgba(255, 204, 0, 0.35);
}
.auth-panel-foot {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1.5rem;
    position: relative;
    z-index: 1;
}
.auth-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.42rem 0.8rem;
    border-radius: 999px;
    font-size: 0.74rem;
    font-weight: 800;
    background: rgba(255, 204, 0, 0.22);
    border: 1px solid rgba(255, 204, 0, 0.55);
    color: #7a5a00;
}
.auth-chip--soft {
    background: rgba(40, 115, 222, 0.1);
    border-color: rgba(40, 115, 222, 0.22);
    color: var(--chilpo-blue-deep);
}

.auth-float-cards {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.55rem;
    margin-top: 1.35rem;
    position: relative;
    z-index: 1;
}
.auth-mini {
    background: var(--paper);
    border: 1px solid var(--rule);
    border-radius: 14px;
    padding: 0.7rem 0.65rem;
    box-shadow: 0 8px 20px rgba(15, 27, 45, 0.05);
    text-align: center;
}
.auth-mini strong {
    display: block;
    font-size: 0.78rem;
    font-weight: 900;
    color: var(--chilpo-navy);
    letter-spacing: -0.02em;
}
.auth-mini span {
    display: block;
    margin-top: 0.2rem;
    font-size: 0.68rem;
    font-weight: 650;
    color: var(--muted);
}
.auth-mini-ico {
    width: 28px;
    height: 28px;
    margin: 0 auto 0.35rem;
    border-radius: 9px;
    display: grid;
    place-items: center;
    background: rgba(40, 115, 222, 0.1);
    color: var(--chilpo-blue);
    font-size: 0.85rem;
    font-weight: 900;
}
.auth-mini:nth-child(2) .auth-mini-ico {
    background: rgba(255, 204, 0, 0.25);
    color: #7a5a00;
}
.auth-mini:nth-child(3) .auth-mini-ico {
    background: rgba(34, 197, 94, 0.14);
    color: #15803d;
}

.auth-card {
    background: var(--paper);
    border: 1px solid rgba(15, 27, 45, 0.08);
    border-radius: var(--radius);
    box-shadow: 0 20px 50px rgba(15, 27, 45, 0.08);
}
.auth-card-inner {
    padding: clamp(1.4rem, 3vw, 2.1rem);
}
.auth-card-kicker {
    margin: 0 0 0.4rem;
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--chilpo-blue);
}
.auth-title {
    margin: 0;
    font-size: clamp(1.4rem, 1.1rem + 1.2vw, 1.75rem);
    letter-spacing: -0.03em;
    color: var(--chilpo-navy);
    font-weight: 900;
}
.auth-subtitle {
    margin: 0.5rem 0 0;
    color: var(--muted);
    font-size: 0.94rem;
    line-height: 1.55;
    font-weight: 500;
}

.auth-form {
    margin-top: 1.2rem;
    display: grid;
    gap: 0.9rem;
}
.auth-field label {
    display: block;
    font-size: 0.78rem;
    font-weight: 800;
    color: var(--muted);
    margin-bottom: 0.4rem;
}
.auth-input {
    width: 100%;
    padding: 0.85rem 0.95rem;
    border-radius: var(--radius-sm);
    border: 1.5px solid var(--rule);
    background: #fff;
    color: var(--ink);
    outline: none;
    transition: border-color .15s ease, box-shadow .15s ease;
    font-size: 1rem;
    font-family: inherit;
    font-weight: 600;
}
.auth-input::placeholder { color: rgba(15, 23, 42, 0.35); }
.auth-input:focus {
    border-color: var(--chilpo-blue);
    box-shadow: 0 0 0 3px rgba(40, 115, 222, 0.16);
}

.auth-btn,
.auth-btn-secondary {
    width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    padding: 0.95rem 1.15rem;
    border-radius: 999px;
    cursor: pointer;
    font-weight: 800;
    font-size: 0.98rem;
    font-family: inherit;
    text-decoration: none;
    transition: transform .18s var(--ease), background .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.auth-btn {
    border: 0;
    color: #fff;
    background: var(--chilpo-blue);
    box-shadow: 0 12px 28px rgba(40, 115, 222, 0.32);
}
.auth-btn:hover {
    transform: translateY(-2px);
    background: var(--chilpo-blue-deep);
    color: #fff;
}
.auth-btn-secondary {
    border: 1.5px solid var(--rule);
    color: var(--ink);
    background: #fff;
}
.auth-btn-secondary:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 204, 0, 0.8);
    background: rgba(255, 204, 0, 0.14);
}

.auth-pulse {
    animation: authPulse 2.4s ease-in-out infinite;
}

.auth-error,
.auth-ok {
    margin: 0.85rem 0 0;
    padding: 0.75rem 0.9rem;
    border-radius: 12px;
    font-weight: 700;
    line-height: 1.45;
    font-size: 0.9rem;
}
.auth-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.28);
    color: #b91c1c;
}
.auth-ok {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.28);
    color: #15803d;
}

.auth-help {
    margin-top: 1.1rem;
    display: flex;
    gap: 0.55rem;
    flex-wrap: wrap;
    justify-content: center;
    color: var(--muted);
    font-size: 0.88rem;
    font-weight: 600;
}
.auth-link {
    color: var(--chilpo-blue);
    text-decoration: none;
    font-weight: 800;
}
.auth-link:hover { text-decoration: underline; }

/* Gate choose cards */
.auth-choose {
    display: grid;
    gap: 0.9rem;
    margin-top: 1.35rem;
}
.auth-choose-card {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 0.9rem;
    padding: 1.15rem 1.2rem;
    border-radius: 18px;
    border: 2px solid transparent;
    text-decoration: none;
    color: inherit;
    box-shadow: none;
    transition: transform .2s var(--ease);
    position: relative;
    overflow: hidden;
}
.auth-choose-card::before,
.auth-choose-card::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
}
.auth-choose-card::before {
    width: 92px;
    height: 92px;
    right: -20px;
    top: -30px;
    opacity: 0.22;
    animation: authCircleA 6.5s ease-in-out infinite;
}
.auth-choose-card::after {
    width: 58px;
    height: 58px;
    left: -14px;
    bottom: -18px;
    opacity: 0.18;
    animation: authCircleB 8s ease-in-out infinite;
}
.auth-choose-card > * {
    position: relative;
    z-index: 1;
}
.auth-choose-card:hover {
    transform: translateY(-2px);
}
.auth-choose-card--login {
    background: #2873de;
    border-color: #2873de;
}
.auth-choose-card--login::before { background: #fff; }
.auth-choose-card--login::after { background: #ffcc00; }
.auth-choose-card--register {
    background: #ffcc00;
    border-color: #ffcc00;
}
.auth-choose-card--register::before { background: #2873de; }
.auth-choose-card--register::after { background: #fff; }
.auth-choose-ico {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    flex-shrink: 0;
    box-shadow: none;
}
.auth-choose-ico svg { width: 22px; height: 22px; }
.auth-choose-card--login .auth-choose-ico {
    background: rgba(255, 255, 255, 0.16);
    border: 1.5px solid rgba(255, 255, 255, 0.35);
    color: #fff;
}
.auth-choose-card--register .auth-choose-ico,
.auth-choose-ico--accent {
    background: rgba(40, 115, 222, 0.12);
    border: 1.5px solid rgba(40, 115, 222, 0.28);
    color: #2873de;
}
.auth-choose-body { min-width: 0; display: grid; gap: 0.22rem; }
.auth-choose-title {
    margin: 0;
    font-size: 1.12rem;
    font-weight: 900;
    letter-spacing: -0.025em;
    line-height: 1.15;
}
.auth-choose-card--login .auth-choose-title { color: #fff; }
.auth-choose-card--register .auth-choose-title { color: #001659; }
.auth-choose-desc {
    margin: 0;
    font-size: 0.86rem;
    line-height: 1.4;
    font-weight: 600;
}
.auth-choose-card--login .auth-choose-desc { color: rgba(255, 255, 255, 0.9); }
.auth-choose-card--register .auth-choose-desc { color: rgba(0, 22, 89, 0.72); }
.auth-choose-go {
    font-size: 1.35rem;
    font-weight: 900;
    transition: transform .2s var(--ease);
}
.auth-choose-card--login .auth-choose-go { color: #fff; }
.auth-choose-card--register .auth-choose-go { color: #2873de; }
.auth-choose-card:hover .auth-choose-go { transform: translateX(4px); }

@keyframes authCircleA {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-10px, 8px) scale(1.08); }
}
@keyframes authCircleB {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(8px, -6px) scale(1.12); }
}

.auth-fineprint {
    margin: 1.25rem 0 0;
    color: rgba(15, 23, 42, 0.45);
    font-size: 0.78rem;
    line-height: 1.45;
    text-align: center;
    font-weight: 550;
}

.auth-card--solo {
    width: min(520px, 100%);
    margin: 0 auto;
}

/* Entrance helpers (JS + CSS fallback) */
.auth-animate { animation: fadeUp .55s var(--ease) both; }
.auth-reveal { opacity: 0; }

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(18px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes authPulse {
    0%, 100% { box-shadow: 0 12px 28px rgba(40, 115, 222, 0.28); }
    50% { box-shadow: 0 16px 36px rgba(40, 115, 222, 0.42); }
}
@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(12px, -10px) scale(1.04); }
}

@media (max-width: 900px) {
    .auth-layout { grid-template-columns: 1fr; }
    .auth-panel {
        min-height: auto;
        padding: 1.35rem 1.25rem;
    }
    .auth-panel-title { max-width: none; font-size: clamp(1.7rem, 6.5vw, 2.2rem); }
    .auth-panel-text { max-width: none; }
    .auth-panel-foot { margin-top: 1.1rem; }
    .auth-float-cards { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 560px) {
    :root { --shell: calc(100% - 1.25rem); }
    .auth-bg { padding: 0.85rem 0 1.4rem; align-items: stretch; justify-content: flex-start; }
    .auth-shell { padding-top: 0.35rem; }
    .auth-brand-sub { display: none; }
    .auth-top-link {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
    }
    .auth-top-link svg { display: none; }
    .auth-choose-card {
        grid-template-columns: auto 1fr;
        gap: 0.75rem;
    }
    .auth-choose-go { display: none; }
    .auth-card-inner { padding: 1.2rem 1.1rem; }
    .auth-float-cards {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    .auth-animate,
    .auth-pulse,
    .auth-orb,
    .auth-choose-card::before,
    .auth-choose-card::after { animation: none; }
    .auth-choose-card,
    .auth-btn,
    .auth-btn-secondary,
    .auth-top-link { transition: none; }
    .auth-reveal { opacity: 1; }
}