:root {
    color-scheme: light;
    --morado-principal: #7040c0;
    --morado-profundo: #38136f;
    --violeta: #9865ed;
    --fondo: #f4f0fb;
    --superficie: #ffffff;
    --superficie-suave: #fbf9fe;
    --texto: #211a2c;
    --texto-secundario: #70697d;
    --borde: #e7e1ef;
    --placeholder: #92899e;
    --sombra: rgb(52 29 84 / 15%);
    --halo: rgb(133 91 218 / 23%);
    --error: #b42332;
    --font-ui: "Inter", "Segoe UI", Arial, sans-serif;
}

:root[data-tema="oscuro"] {
    color-scheme: dark;
    --fondo: #13101a;
    --superficie: #211b2b;
    --superficie-suave: #292333;
    --texto: #f8f5fc;
    --texto-secundario: #c3bacf;
    --borde: #40364c;
    --placeholder: #9b91a9;
    --sombra: rgb(0 0 0 / 42%);
    --halo: rgb(177 139 250 / 30%);
    --error: #ffb4ab;
}

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

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

body {
    margin: 0;
    color: var(--texto);
    font-family: var(--font-ui);
    background:
        radial-gradient(ellipse at 15% 12%, rgb(255 255 255 / 90%), transparent 36%),
        radial-gradient(ellipse at 87% 82%, rgb(204 185 240 / 45%), transparent 36%),
        linear-gradient(125deg, #f8f5fd 0%, var(--fondo) 54%, #e8def6 100%);
    transition: background 300ms ease, color 300ms ease;
    -webkit-font-smoothing: antialiased;
}

:root[data-tema="oscuro"] body {
    background:
        radial-gradient(ellipse at 14% 12%, rgb(101 60 153 / 19%), transparent 36%),
        radial-gradient(ellipse at 88% 82%, rgb(82 48 126 / 20%), transparent 38%),
        linear-gradient(125deg, #100e15 0%, #17131f 56%, #21162d 100%);
}

button,
input {
    font: inherit;
}

button {
    cursor: pointer;
}

.login-page {
    display: grid;
    min-height: 100vh;
    place-items: center;
    padding: 42px 24px;
}

.login-card {
    position: relative;
    width: min(100%, 1000px);
    overflow: hidden;
    border: 1px solid rgb(255 255 255 / 75%);
    border-radius: 26px;
    background: var(--superficie);
    box-shadow:
        0 32px 90px var(--sombra),
        0 5px 18px rgb(46 16 101 / 7%);
    animation: card-enter 700ms cubic-bezier(0.2, 0.7, 0.25, 1) both;
    transition: background 300ms ease, border-color 300ms ease, box-shadow 300ms ease;
}

:root[data-tema="oscuro"] .login-card {
    border-color: rgb(184 153 231 / 16%);
    box-shadow:
        0 32px 95px var(--sombra),
        0 0 0 1px rgb(142 101 195 / 9%);
}

.theme-toggle {
    position: absolute;
    z-index: 4;
    top: 22px;
    right: 22px;
    display: inline-flex;
    min-height: 39px;
    align-items: center;
    gap: 9px;
    padding: 8px 13px;
    border: 1px solid var(--borde);
    border-radius: 999px;
    color: var(--texto-secundario);
    background: color-mix(in srgb, var(--superficie) 94%, transparent);
    box-shadow: 0 3px 12px rgb(35 20 55 / 5%);
    font-size: 12px;
    font-weight: 600;
    transition:
        border-color 180ms ease,
        color 180ms ease,
        background 300ms ease,
        transform 180ms ease,
        box-shadow 180ms ease;
}

.theme-toggle:hover {
    transform: translateY(-1px);
    border-color: var(--morado-principal);
    color: var(--morado-principal);
    box-shadow: 0 5px 15px rgb(91 33 182 / 12%);
}

.theme-toggle:focus-visible,
.login-button:focus-visible,
.form-input:focus-visible,
.password-toggle:focus-visible {
    outline: 3px solid var(--halo);
    outline-offset: 3px;
}

.theme-toggle-icon {
    color: var(--morado-principal);
    font-size: 17px;
    line-height: 1;
}

.login-layout {
    display: grid;
    min-height: 590px;
    grid-template-columns: minmax(300px, 0.88fr) minmax(0, 1.12fr);
}

.brand-panel {
    position: relative;
    display: flex;
    min-height: 590px;
    align-items: center;
    overflow: hidden;
    padding: 76px 54px;
    color: #ffffff;
    isolation: isolate;
    background:
        linear-gradient(145deg, #6b3cb4 0%, #51218f 48%, #35115f 100%);
}

.brand-panel::before {
    position: absolute;
    z-index: -1;
    inset: 0;
    background-image:
        linear-gradient(rgb(255 255 255 / 3%) 1px, transparent 1px),
        linear-gradient(90deg, rgb(255 255 255 / 3%) 1px, transparent 1px);
    background-size: 42px 42px;
    content: "";
    mask-image: linear-gradient(135deg, #000, transparent 76%);
    pointer-events: none;
}

.brand-panel::after {
    position: absolute;
    z-index: -1;
    top: -190px;
    right: -220px;
    width: 470px;
    height: 470px;
    border: 1px solid rgb(255 255 255 / 10%);
    border-radius: 50%;
    box-shadow:
        0 0 0 38px rgb(255 255 255 / 3%),
        0 0 0 86px rgb(255 255 255 / 2%);
    content: "";
    pointer-events: none;
}

.brand-panel-orb {
    position: absolute;
    z-index: -1;
    border: 1px solid rgb(255 255 255 / 12%);
    border-radius: 50%;
    pointer-events: none;
}

.brand-panel-orb-one {
    right: -126px;
    bottom: 79px;
    width: 340px;
    height: 170px;
    transform: rotate(-31deg);
}

.brand-panel-orb-two {
    right: -158px;
    bottom: -11px;
    width: 390px;
    height: 200px;
    transform: rotate(-31deg);
    opacity: 0.64;
}

.brand-panel-content {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 350px;
    margin-inline: auto;
}

.login-logo {
    display: block;
    width: auto;
    height: clamp(180px, 28vh, 240px);
    max-width: 100%;
    margin: 0 auto 24px;
    padding: 7px 9px;
    border-radius: 12px;
    object-fit: contain;
    object-position: center;
    filter: drop-shadow(0 5px 14px rgb(18 6 38 / 25%));
}

.brand-kicker,
.form-kicker {
    margin: 0 0 13px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.brand-kicker {
    color: #d8c6f4;
}

.brand-panel h1 {
    max-width: 320px;
    margin: 0;
    font-size: clamp(34px, 4vw, 47px);
    font-weight: 700;
    letter-spacing: -0.055em;
    line-height: 1.08;
}

.brand-description {
    max-width: 286px;
    margin: 20px 0 0;
    color: #e5daf5;
    font-size: 14px;
    line-height: 1.8;
}

.brand-panel-line {
    position: absolute;
    right: 40px;
    bottom: 44px;
    left: 54px;
    display: flex;
    height: 1px;
    align-items: center;
    gap: 6px;
    background: linear-gradient(90deg, rgb(255 255 255 / 36%), transparent);
}

.brand-panel-line span {
    position: absolute;
    left: 0;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: #e7d8ff;
}

.brand-panel-line span:nth-child(2) {
    left: 12px;
    opacity: 0.65;
}

.brand-panel-line span:nth-child(3) {
    left: 24px;
    opacity: 0.35;
}

.form-panel {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 90px 76px 66px;
    background: var(--superficie);
    transition: background 300ms ease;
}

.form-heading {
    margin-bottom: 36px;
}

.form-kicker {
    color: var(--morado-principal);
}

.form-heading h2 {
    margin: 0 0 11px;
    color: var(--texto);
    font-size: clamp(30px, 4vw, 39px);
    font-weight: 700;
    letter-spacing: -0.055em;
    line-height: 1.12;
}

.form-heading > p:last-child {
    margin: 0;
    color: var(--texto-secundario);
    font-size: 13px;
    line-height: 1.65;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 23px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 9px;
}

.form-label {
    color: var(--texto);
    font-size: 12px;
    font-weight: 700;
    line-height: 1.4;
}

.input-shell {
    position: relative;
    display: flex;
    min-height: 54px;
    align-items: center;
    border: 1px solid var(--borde);
    border-radius: 11px;
    background: var(--superficie-suave);
    transition:
        border-color 180ms ease,
        box-shadow 180ms ease,
        background 300ms ease,
        transform 180ms ease;
}

.input-shell:focus-within {
    transform: translateY(-1px);
    border-color: var(--morado-principal);
    background: var(--superficie);
    box-shadow: 0 0 0 4px var(--halo);
}

.input-icon {
    width: 18px;
    height: 18px;
    flex: 0 0 auto;
    margin-left: 15px;
    color: var(--placeholder);
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.7;
    fill: none;
    transition: color 180ms ease;
}

.input-shell:focus-within .input-icon {
    color: var(--morado-principal);
}

.form-input {
    width: 100%;
    min-width: 0;
    min-height: 52px;
    padding: 14px 15px 14px 11px;
    border: 0;
    border-radius: inherit;
    outline: 0;
    color: var(--texto);
    background: transparent;
    font-size: 13px;
    transition: color 300ms ease;
}

.form-input::placeholder {
    color: var(--placeholder);
    opacity: 1;
}

.form-input:focus-visible {
    outline: 0;
}

.password-toggle {
    display: grid;
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    place-items: center;
    margin-right: 5px;
    padding: 0;
    border: 0;
    border-radius: 8px;
    color: var(--placeholder);
    background: transparent;
    transition: color 160ms ease, background 160ms ease;
}

.password-toggle:hover {
    color: var(--morado-principal);
    background: var(--superficie);
}

.password-toggle svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.7;
    fill: none;
}

.password-toggle .eye-off-icon,
.password-toggle[aria-pressed="true"] .eye-icon {
    display: none;
}

.password-toggle[aria-pressed="true"] .eye-off-icon {
    display: block;
}

.login-message {
    min-height: 1.3em;
    margin: -6px 0 -5px;
    color: var(--error);
    font-size: 12px;
    line-height: 1.5;
}

.login-message:empty {
    display: none;
}

.login-button {
    width: 100%;
    min-height: 53px;
    margin-top: 1px;
    padding: 14px 18px;
    border: 0;
    border-radius: 11px;
    color: #ffffff;
    background: linear-gradient(110deg, #54228e 0%, #7541c4 54%, #9160df 100%);
    box-shadow: 0 10px 22px rgb(91 33 182 / 23%);
    font-size: 13px;
    font-weight: 700;
    transition:
        background 180ms ease,
        transform 180ms ease,
        box-shadow 180ms ease,
        opacity 180ms ease;
}

.login-button:hover:not(:disabled) {
    transform: translateY(-2px);
    background: linear-gradient(110deg, #6732a8 0%, #8151ce 54%, #a172ea 100%);
    box-shadow: 0 14px 27px rgb(91 33 182 / 31%);
}

.login-button:active:not(:disabled) {
    transform: translateY(0) scale(0.99);
    box-shadow: 0 6px 14px rgb(91 33 182 / 22%);
}

.login-button:disabled {
    cursor: wait;
    opacity: 0.58;
}

@keyframes card-enter {
    from {
        opacity: 0;
        transform: translateY(18px) scale(0.99);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@media (max-width: 820px) {
    .login-page {
        padding: 30px 20px;
    }

    .login-card {
        width: min(100%, 640px);
        border-radius: 22px;
    }

    .login-layout {
        min-height: 0;
        grid-template-columns: 1fr;
    }

    .brand-panel {
        min-height: 245px;
        align-items: flex-start;
        padding: 64px 38px 32px;
    }

    .brand-panel-content {
        max-width: 490px;
    }

    .login-logo {
        height: clamp(110px, 18vh, 130px);
        margin-bottom: 14px;
    }

    .brand-kicker {
        margin-bottom: 8px;
    }

    .brand-panel h1 {
        max-width: 460px;
        font-size: 32px;
    }

    .brand-description {
        max-width: 410px;
        margin-top: 10px;
        font-size: 13px;
    }

    .brand-panel-line {
        right: 38px;
        bottom: 20px;
        left: 38px;
    }

    .form-panel {
        padding: 43px 56px 48px;
    }

    .form-heading {
        margin-bottom: 28px;
    }
}

@media (max-width: 480px) {
    .login-page {
        min-height: 100svh;
        padding: 14px 12px;
    }

    .login-card {
        border-radius: 19px;
    }

    .theme-toggle {
        top: 13px;
        right: 13px;
        min-height: 35px;
        padding: 7px 10px;
    }

    .theme-toggle-text {
        display: none;
    }

    .brand-panel {
        min-height: 206px;
        padding: 58px 24px 27px;
    }

    .login-logo {
        height: clamp(90px, 16vh, 110px);
        margin-bottom: 10px;
        padding: 4px 6px;
    }

    .brand-kicker {
        margin-bottom: 6px;
        font-size: 9px;
    }

    .brand-panel h1 {
        font-size: 27px;
    }

    .brand-description {
        max-width: 255px;
        margin-top: 7px;
        font-size: 12px;
        line-height: 1.55;
    }

    .brand-panel-line {
        right: 24px;
        bottom: 15px;
        left: 24px;
    }

    .form-panel {
        padding: 34px 23px 27px;
    }

    .form-heading {
        margin-bottom: 23px;
    }

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

    .login-form {
        gap: 19px;
    }
}

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