/* =========================================================
   AI2GO PORTAL — IDENTIDAD VISUAL Y MODO OSCURO
   ========================================================= */

:root {
    color-scheme: light;

    --primary: #2B8DFF;
    --primary-dark: #1874D9;
    --primary-soft: rgba(43, 141, 255, 0.12);

    --secondary: #79CEFF;
    --secondary-soft: rgba(121, 206, 255, 0.16);

    --accent: #ED1C24;
    --accent-dark: #C9151C;
    --accent-soft: rgba(237, 28, 36, 0.10);

    --background: #F2F7FC;
    --surface: #FFFFFF;
    --surface-2: #EDF5FC;
    --surface-3: #E3EDF6;

    --text: #101722;
    --text-strong: #080C12;
    --muted: #64768A;

    --border: #D3E1ED;
    --border-strong: #BCD0E0;

    --input-background: #FFFFFF;
    --header-background: rgba(255, 255, 255, 0.94);

    --success: #087A57;
    --success-bg: #E7F8F1;

    --danger: #D51D26;
    --danger-bg: #FFF0F1;

    --warning: #976900;
    --warning-bg: #FFF7DB;

    --focus-ring: rgba(43, 141, 255, 0.18);

    --portal-shadow:
        0 22px 60px rgba(16, 23, 34, 0.10);

    --portal-shadow-small:
        0 10px 28px rgba(16, 23, 34, 0.08);

    --brand-gradient:
        linear-gradient(
            135deg,
            #2B8DFF 0%,
            #1976DD 70%,
            #5D56A6 100%
        );
}

html[data-theme="dark"] {
    color-scheme: dark;

    --primary: #4A9DFF;
    --primary-dark: #2B8DFF;
    --primary-soft: rgba(74, 157, 255, 0.16);

    --secondary: #7FD0FF;
    --secondary-soft: rgba(127, 208, 255, 0.13);

    --accent: #FF3C44;
    --accent-dark: #ED1C24;
    --accent-soft: rgba(255, 60, 68, 0.14);

    --background: #090D12;
    --surface: #10151C;
    --surface-2: #151D26;
    --surface-3: #1B2631;

    --text: #EDF7FF;
    --text-strong: #FFFFFF;
    --muted: #9DB0C2;

    --border: #293746;
    --border-strong: #3B4D5E;

    --input-background: #0D1218;
    --header-background: rgba(16, 21, 28, 0.94);

    --success: #52D6A3;
    --success-bg: rgba(29, 150, 105, 0.15);

    --danger: #FF6970;
    --danger-bg: rgba(237, 28, 36, 0.14);

    --warning: #F7C75A;
    --warning-bg: rgba(247, 199, 90, 0.13);

    --focus-ring: rgba(74, 157, 255, 0.24);

    --portal-shadow:
        0 26px 65px rgba(0, 0, 0, 0.38);

    --portal-shadow-small:
        0 12px 30px rgba(0, 0, 0, 0.28);
}


/* =========================================================
   BASE
   ========================================================= */

html {
    background: var(--background);
}

body {
    background:
        radial-gradient(
            circle at 8% 4%,
            var(--primary-soft),
            transparent 470px
        ),
        radial-gradient(
            circle at 96% 20%,
            var(--accent-soft),
            transparent 410px
        ),
        var(--background);

    color: var(--text);

    transition:
        background-color 0.25s ease,
        color 0.25s ease;
}

body,
.site-header,
.auth-card,
.register-showcase,
input,
select,
textarea,
button,
.portal-theme-toggle,
.form-section-label {
    transition:
        background-color 0.25s ease,
        border-color 0.25s ease,
        color 0.25s ease,
        box-shadow 0.25s ease;
}


/* =========================================================
   ENCABEZADO
   ========================================================= */

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;

    background: var(--header-background);
    border-bottom-color: var(--border);

    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.site-header__content {
    width: min(1260px, calc(100% - 40px));
    min-height: 82px;
}

.ai2go-brand-link {
    min-width: 0;
    gap: 18px;
}

.portal-brand-logo {
    width: clamp(230px, 25vw, 355px);
    max-height: 60px;
    display: block;
    object-fit: contain;
    object-position: left center;
}

.portal-product-name {
    min-width: 0;
    padding-left: 18px;
    border-left: 1px solid var(--border);
}

.portal-product-name strong,
.portal-product-name small {
    display: block;
}

.portal-product-name strong {
    color: var(--text-strong);
    font-size: 14px;
    font-weight: 800;
}

.portal-product-name small {
    margin-top: 4px;
    color: var(--muted);
    font-size: 10px;
}

.main-nav {
    flex-wrap: wrap;
}

.main-nav a,
.nav-button {
    color: var(--text);
}

.nav-cta {
    background: var(--brand-gradient);
    box-shadow:
        0 8px 20px rgba(43, 141, 255, 0.20);
}

.user-name {
    color: var(--muted);
}


/* =========================================================
   BOTÓN DE TEMA
   ========================================================= */

.portal-theme-toggle {
    min-height: 42px;
    padding: 0 13px;

    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;

    border: 1px solid var(--border);
    border-radius: 12px;

    background: var(--surface);
    color: var(--text);

    font-size: 12px;
    font-weight: 700;

    cursor: pointer;

    box-shadow: var(--portal-shadow-small);
}

.portal-theme-toggle:hover {
    border-color: var(--primary);
    background: var(--primary-soft);
    color: var(--primary);
}

.portal-theme-icon {
    width: 21px;
    height: 21px;

    display: grid;
    place-items: center;

    border-radius: 50%;

    background: var(--primary-soft);
    color: var(--primary);
}

.portal-theme-icon::before {
    content: "☾";
}

html[data-theme="dark"] .portal-theme-icon {
    background: var(--accent-soft);
    color: var(--accent);
}

html[data-theme="dark"] .portal-theme-icon::before {
    content: "☀";
}


/* =========================================================
   REGISTRO
   ========================================================= */

.portal-register-page {
    min-height: calc(100vh - 142px);
    padding: 54px 24px 70px;

    display: block;

    background:
        linear-gradient(
            180deg,
            transparent,
            rgba(43, 141, 255, 0.025)
        );
}

.register-shell {
    width: min(1220px, 100%);
    margin: 0 auto;

    display: grid;
    grid-template-columns:
        minmax(330px, 0.82fr)
        minmax(520px, 1.18fr);

    align-items: stretch;

    border: 1px solid var(--border);
    border-radius: 28px;

    background: var(--surface);

    box-shadow: var(--portal-shadow);

    overflow: hidden;
}

.register-showcase {
    position: relative;
    min-height: 100%;

    padding: 52px 44px;

    display: flex;
    flex-direction: column;

    overflow: hidden;

    background:
        radial-gradient(
            circle at 18% 0%,
            rgba(127, 208, 255, 0.35),
            transparent 360px
        ),
        linear-gradient(
            145deg,
            #0E1724 0%,
            #102A49 52%,
            #164C7E 100%
        );

    color: #FFFFFF;
}

.register-showcase::after {
    content: "";

    position: absolute;
    width: 300px;
    height: 300px;
    right: -115px;
    bottom: -110px;

    border: 42px solid rgba(237, 28, 36, 0.22);
    border-radius: 44%;

    transform: rotate(42deg);
}

.showcase-badge {
    width: fit-content;
    padding: 8px 11px;

    border: 1px solid rgba(127, 208, 255, 0.35);
    border-radius: 999px;

    background: rgba(43, 141, 255, 0.15);
    color: #9FDFFF;

    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.14em;
}

.register-showcase h1 {
    max-width: 470px;
    margin: 25px 0 17px;

    color: #FFFFFF;

    font-size: clamp(36px, 4vw, 54px);
    line-height: 1.04;
    letter-spacing: -0.045em;
}

.showcase-description {
    max-width: 470px;
    margin: 0;

    color: rgba(237, 247, 255, 0.75);

    font-size: 16px;
    line-height: 1.65;
}

.showcase-benefits {
    position: relative;
    z-index: 2;

    margin-top: 42px;

    display: grid;
    gap: 18px;
}

.showcase-benefit {
    padding: 16px;

    display: grid;
    grid-template-columns: 45px 1fr;
    gap: 14px;

    border: 1px solid rgba(127, 208, 255, 0.18);
    border-radius: 16px;

    background: rgba(255, 255, 255, 0.055);

    backdrop-filter: blur(8px);
}

.benefit-icon {
    width: 45px;
    height: 45px;

    display: grid;
    place-items: center;

    border-radius: 13px;

    background:
        linear-gradient(
            135deg,
            #2B8DFF,
            #1874D9
        );

    color: #FFFFFF;

    font-size: 12px;
    font-weight: 900;
}

.showcase-benefit strong {
    display: block;
    color: #FFFFFF;
    font-size: 13px;
}

.showcase-benefit p {
    margin: 5px 0 0;

    color: rgba(237, 247, 255, 0.68);

    font-size: 12px;
    line-height: 1.5;
}

.showcase-decoration {
    position: relative;
    z-index: 2;

    margin-top: auto;
    padding-top: 36px;

    display: flex;
    gap: 8px;
}

.showcase-decoration span {
    width: 9px;
    height: 9px;
    border-radius: 3px;
    background: #2B8DFF;
}

.showcase-decoration span:nth-child(2) {
    background: #7FD0FF;
}

.showcase-decoration span:nth-child(3) {
    background: #ED1C24;
}


/* =========================================================
   FORMULARIO
   ========================================================= */

.register-form-card {
    width: 100%;
    max-width: none;
    min-height: 100%;

    padding: 50px 48px;

    border: 0;
    border-radius: 0;

    background: var(--surface);

    box-shadow: none;
}

.register-heading {
    margin-bottom: 28px;
    text-align: left;
}

.register-heading h2 {
    margin: 9px 0 9px;

    color: var(--text-strong);

    font-size: 35px;
    letter-spacing: -0.035em;
}

.register-heading p {
    margin: 0;
    color: var(--muted);
}

.eyebrow {
    color: var(--primary);
}

.form-section-label {
    margin: 29px 0 17px;

    display: flex;
    align-items: center;
    gap: 12px;
}

.form-section-label > span {
    width: 34px;
    height: 34px;

    display: grid;
    place-items: center;

    flex: 0 0 auto;

    border-radius: 10px;

    background: var(--brand-gradient);
    color: #FFFFFF;

    font-size: 12px;
    font-weight: 800;
}

.form-section-label strong,
.form-section-label small {
    display: block;
}

.form-section-label strong {
    color: var(--text);
    font-size: 13px;
}

.form-section-label small {
    margin-top: 2px;
    color: var(--muted);
    font-size: 10px;
}

.form-field label {
    color: var(--text);
}

.form-field input {
    border-color: var(--border);
    background: var(--input-background);
    color: var(--text);
}

.form-field input::placeholder {
    color: var(--muted);
    opacity: 0.72;
}

.form-field input:hover {
    border-color: var(--border-strong);
}

.form-field input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--focus-ring);
}

.portal-checkbox {
    padding: 14px;

    border: 1px solid var(--border);
    border-radius: 12px;

    background: var(--surface-2);
}

.portal-checkbox input {
    width: 18px;
    height: 18px;
    flex: 0 0 auto;

    accent-color: var(--primary);
}

.terms-error {
    display: block;
    margin: -13px 0 17px;
}

.register-submit {
    min-height: 52px;

    border: 0;

    background: var(--brand-gradient);

    box-shadow:
        0 12px 26px rgba(43, 141, 255, 0.25);

    font-size: 14px;
}

.register-submit:hover {
    filter: brightness(1.06);
    transform: translateY(-1px);
}

.auth-footer {
    color: var(--muted);
}

.auth-footer a {
    color: var(--primary);
}

.field-error {
    color: var(--danger);
}


/* =========================================================
   MENSAJES Y PIE DE PÁGINA
   ========================================================= */

.flash-message.success {
    border: 1px solid rgba(8, 122, 87, 0.20);
    background: var(--success-bg);
    color: var(--success);
}

.flash-message.error {
    border: 1px solid rgba(237, 28, 36, 0.22);
    background: var(--danger-bg);
    color: var(--danger);
}

.flash-message.warning {
    background: var(--warning-bg);
    color: var(--warning);
}

.portal-footer {
    gap: 9px;
    border-top-color: var(--border);
    color: var(--muted);
}

.portal-footer img {
    width: 30px;
    height: 30px;
    object-fit: contain;
}


/* =========================================================
   MODO OSCURO
   ========================================================= */

html[data-theme="dark"] .register-showcase {
    background:
        radial-gradient(
            circle at 18% 0%,
            rgba(43, 141, 255, 0.24),
            transparent 360px
        ),
        linear-gradient(
            145deg,
            #080D13 0%,
            #0D1A29 52%,
            #102E4C 100%
        );
}

html[data-theme="dark"] .portal-brand-logo {
    filter:
        drop-shadow(
            0 0 10px rgba(127, 208, 255, 0.12)
        );
}


/* =========================================================
   RESPONSIVE
   ========================================================= */

@media (max-width: 1050px) {
    .portal-product-name {
        display: none;
    }

    .portal-brand-logo {
        width: 280px;
    }

    .register-shell {
        grid-template-columns:
            minmax(280px, 0.72fr)
            minmax(470px, 1.28fr);
    }

    .register-showcase {
        padding: 44px 32px;
    }

    .register-form-card {
        padding: 45px 38px;
    }
}

@media (max-width: 820px) {
    .site-header__content {
        width: min(100% - 24px, 1260px);
    }

    .portal-brand-logo {
        width: 220px;
        max-height: 52px;
    }

    .portal-theme-toggle {
        width: 42px;
        padding: 0;
    }

    .portal-theme-label {
        display: none;
    }

    .register-shell {
        grid-template-columns: 1fr;
    }

    .register-showcase {
        min-height: auto;
        padding: 42px 34px;
    }

    .register-showcase h1 {
        font-size: 42px;
    }

    .showcase-benefits {
        grid-template-columns: 1fr;
        margin-top: 30px;
    }

    .showcase-decoration {
        display: none;
    }

    .register-form-card {
        padding: 42px 34px;
    }
}

@media (max-width: 620px) {
    .portal-register-page {
        padding: 24px 12px 45px;
    }

    .portal-brand-logo {
        width: 170px;
    }

    .main-nav > a:not(.nav-cta) {
        display: none;
    }

    .register-shell {
        border-radius: 20px;
    }

    .register-showcase {
        padding: 34px 23px;
    }

    .register-showcase h1 {
        font-size: 35px;
    }

    .showcase-description {
        font-size: 14px;
    }

    .showcase-benefits {
        gap: 12px;
    }

    .register-form-card {
        padding: 34px 22px;
    }

    .register-heading h2 {
        font-size: 30px;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .form-field-full {
        grid-column: auto;
    }
}

@media (max-width: 420px) {
    .portal-brand-logo {
        width: 145px;
    }

    .nav-cta {
        display: none;
    }
}


/* =========================================================
   ACCESIBILIDAD
   ========================================================= */

::selection {
    background: var(--primary);
    color: #FFFFFF;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}

/* =========================================================
   AI2GO — FONDO REACTIVO TIPO LÁMPARA DE MAGMA
   ========================================================= */

.register-showcase {
    isolation: isolate;
}

/*
 * Conserva todos los textos y elementos interactivos
 * por encima de la animación.
 */
.register-showcase > :not(.magma-background) {
    position: relative;
    z-index: 3;
}

.magma-background {
    position: absolute;
    z-index: 0;
    inset: -12%;

    overflow: hidden;

    pointer-events: none;

    opacity: 0.92;

    contain:
        layout
        paint
        style;
}

.magma-glass {
    position: absolute;
    z-index: 5;
    inset: 0;

    background:
        linear-gradient(
            125deg,
            rgba(255, 255, 255, 0.045),
            transparent 38%,
            rgba(127, 208, 255, 0.035) 70%,
            transparent
        );

    backdrop-filter: blur(1px);
    -webkit-backdrop-filter: blur(1px);
}

.magma-orbit {
    position: absolute;

    width: var(--orbit-width);
    height: var(--orbit-height);

    left: var(--orbit-left);
    top: var(--orbit-top);

    transform:
        translate3d(
            var(--pointer-x, 0),
            var(--pointer-y, 0),
            0
        );

    transition:
        transform 180ms
        cubic-bezier(0.22, 0.61, 0.36, 1);

    will-change: transform;
}

.magma-blob {
    width: 100%;
    height: 100%;

    display: block;

    border-radius:
        46% 54% 62% 38%
        / 45% 38% 62% 55%;

    background: var(--magma-background);

    filter:
        blur(var(--magma-blur, 11px))
        saturate(1.18);

    opacity: var(--magma-opacity, 0.72);

    box-shadow:
        inset 0 0 34px rgba(255, 255, 255, 0.09),
        0 0 58px var(--magma-shadow);

    mix-blend-mode: screen;

    animation:
        magmaMorph
        var(--magma-duration, 13s)
        ease-in-out
        infinite alternate;

    animation-delay:
        var(--magma-delay, 0s);

    will-change:
        transform,
        border-radius;
}


/* Azul principal */

.magma-orbit-1 {
    --orbit-width: 330px;
    --orbit-height: 290px;
    --orbit-left: -110px;
    --orbit-top: -55px;

    --magma-duration: 12s;
    --magma-delay: -3s;
    --magma-blur: 15px;
    --magma-opacity: 0.78;

    --magma-background:
        radial-gradient(
            circle at 30% 28%,
            rgba(127, 208, 255, 0.98),
            rgba(43, 141, 255, 0.76) 42%,
            rgba(24, 116, 217, 0.20) 74%,
            transparent
        );

    --magma-shadow:
        rgba(43, 141, 255, 0.28);
}


/* Rojo AI2GO */

.magma-orbit-2 {
    --orbit-width: 260px;
    --orbit-height: 350px;
    --orbit-left: 58%;
    --orbit-top: -75px;

    --magma-duration: 16s;
    --magma-delay: -8s;
    --magma-blur: 18px;
    --magma-opacity: 0.64;

    --magma-background:
        radial-gradient(
            circle at 38% 30%,
            rgba(255, 85, 91, 0.94),
            rgba(237, 28, 36, 0.72) 45%,
            rgba(201, 21, 28, 0.16) 74%,
            transparent
        );

    --magma-shadow:
        rgba(237, 28, 36, 0.25);
}


/* Celeste */

.magma-orbit-3 {
    --orbit-width: 370px;
    --orbit-height: 260px;
    --orbit-left: 30%;
    --orbit-top: 34%;

    --magma-duration: 14s;
    --magma-delay: -5s;
    --magma-blur: 22px;
    --magma-opacity: 0.52;

    --magma-background:
        radial-gradient(
            circle at 50% 38%,
            rgba(151, 224, 255, 0.92),
            rgba(75, 173, 255, 0.58) 48%,
            rgba(43, 141, 255, 0.12) 76%,
            transparent
        );

    --magma-shadow:
        rgba(127, 208, 255, 0.23);
}


/* Azul profundo */

.magma-orbit-4 {
    --orbit-width: 280px;
    --orbit-height: 310px;
    --orbit-left: -55px;
    --orbit-top: 61%;

    --magma-duration: 18s;
    --magma-delay: -11s;
    --magma-blur: 19px;
    --magma-opacity: 0.54;

    --magma-background:
        radial-gradient(
            circle at 38% 36%,
            rgba(70, 164, 255, 0.85),
            rgba(18, 83, 154, 0.55) 52%,
            rgba(8, 35, 68, 0.16) 78%,
            transparent
        );

    --magma-shadow:
        rgba(43, 141, 255, 0.20);
}


/* Rojo inferior */

.magma-orbit-5 {
    --orbit-width: 300px;
    --orbit-height: 250px;
    --orbit-left: 62%;
    --orbit-top: 70%;

    --magma-duration: 15s;
    --magma-delay: -4s;
    --magma-blur: 22px;
    --magma-opacity: 0.45;

    --magma-background:
        radial-gradient(
            circle at 40% 40%,
            rgba(255, 77, 84, 0.84),
            rgba(237, 28, 36, 0.52) 50%,
            rgba(128, 14, 20, 0.10) 78%,
            transparent
        );

    --magma-shadow:
        rgba(237, 28, 36, 0.19);
}


@keyframes magmaMorph {
    0% {
        transform:
            translate3d(-6%, 8%, 0)
            rotate(-7deg)
            scale(0.92);

        border-radius:
            46% 54% 62% 38%
            / 45% 38% 62% 55%;
    }

    25% {
        transform:
            translate3d(6%, -4%, 0)
            rotate(5deg)
            scale(1.04);

        border-radius:
            62% 38% 48% 52%
            / 38% 58% 42% 62%;
    }

    50% {
        transform:
            translate3d(2%, 9%, 0)
            rotate(11deg)
            scale(0.96);

        border-radius:
            38% 62% 57% 43%
            / 58% 43% 57% 42%;
    }

    75% {
        transform:
            translate3d(-7%, -3%, 0)
            rotate(-3deg)
            scale(1.07);

        border-radius:
            54% 46% 36% 64%
            / 42% 62% 38% 58%;
    }

    100% {
        transform:
            translate3d(8%, 6%, 0)
            rotate(8deg)
            scale(0.94);

        border-radius:
            43% 57% 65% 35%
            / 61% 41% 59% 39%;
    }
}


/* Mejora la legibilidad sobre la animación */

.register-showcase h1 {
    text-shadow:
        0 3px 26px rgba(0, 0, 0, 0.32);
}

.showcase-description {
    text-shadow:
        0 2px 16px rgba(0, 0, 0, 0.30);
}

.showcase-benefit {
    background:
        rgba(7, 18, 31, 0.38);

    box-shadow:
        inset 0 1px 0
        rgba(255, 255, 255, 0.055);

    backdrop-filter: blur(13px);
    -webkit-backdrop-filter: blur(13px);
}


/* Modo oscuro */

html[data-theme="dark"] .magma-background {
    opacity: 1;
}

html[data-theme="dark"] .magma-blob {
    filter:
        blur(var(--magma-blur, 11px))
        saturate(1.28)
        brightness(0.90);
}


/* Tabletas y teléfonos */

@media (max-width: 820px) {
    .magma-background {
        inset: -18%;
        opacity: 0.75;
    }

    .magma-orbit-1 {
        --orbit-width: 260px;
        --orbit-height: 230px;
    }

    .magma-orbit-2 {
        --orbit-width: 210px;
        --orbit-height: 270px;
    }

    .magma-orbit-3 {
        --orbit-width: 280px;
        --orbit-height: 210px;
    }

    .magma-orbit-4,
    .magma-orbit-5 {
        opacity: 0.65;
    }
}


/* Respeto a la configuración de accesibilidad */

@media (prefers-reduced-motion: reduce) {
    .magma-orbit {
        transform: none !important;
        transition: none !important;
    }

    .magma-blob {
        animation: none !important;
    }
}