/* ==========================================================================
   TEAP — Trilha visual, home, prática e perfil
   ========================================================================== */

/* --- Cartão de continuidade ------------------------------------------------ */

.continue-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--r-2xl);
    padding: var(--sp-6);
    color: #fff;
    background: linear-gradient(140deg, var(--brand-600), var(--brand-800));
    box-shadow: var(--shadow-lg);
    isolation: isolate;
}
.continue-card::before {
    content: "";
    position: absolute;
    inset: -40% -10% auto auto;
    width: 320px; height: 320px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,255,255,.22), transparent 62%);
    z-index: -1;
    animation: breathe 7s var(--ease-in-out) infinite;
}
.continue-card h2 { color: #fff }
.continue-card .progress { background: rgba(255,255,255,.22) }
.continue-card .progress__bar { background: #fff }
.continue-card__meta { font-size: var(--text-sm); opacity: .88 }

/* --- Caminho vertical -------------------------------------------------------- */

.path {
    position: relative;
    padding: var(--sp-6) 0 var(--sp-8);
}

.path__unit-header {
    position: sticky;
    top: calc(var(--header-h) + var(--sp-2));
    z-index: 20;
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    margin: var(--sp-6) 0 var(--sp-5);
    padding: var(--sp-3) var(--sp-4);
    border-radius: var(--r-lg);
    color: #fff;
    background: linear-gradient(120deg, var(--unit-color, var(--brand-600)), color-mix(in srgb, var(--unit-color, var(--brand-600)) 62%, #000));
    box-shadow: var(--shadow-md);
    animation: riseIn var(--dur-slow) var(--ease-out) both;
}
.path__unit-header h3 { color: #fff; font-size: var(--text-lg) }
.path__unit-header p { margin: 0; font-size: var(--text-xs); opacity: .9 }
.path__unit-progress { margin-left: auto; text-align: right; font-size: var(--text-xs); font-weight: 700 }

.path__track {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: var(--sp-5);
    padding-left: 4px;
}

.node-row {
    display: flex;
    align-items: center;
    gap: var(--sp-4);
    position: relative;
    /* Serpentina: cada nó desloca-se um pouco, como um caminho. */
    margin-left: var(--node-offset, 0);
    transition: margin var(--dur-base) var(--ease-out);
}
.node-row:nth-child(4n+1) { --node-offset: 0 }
.node-row:nth-child(4n+2) { --node-offset: 34px }
.node-row:nth-child(4n+3) { --node-offset: 52px }
.node-row:nth-child(4n+4) { --node-offset: 34px }
@media (max-width: 420px) {
    .node-row:nth-child(4n+2) { --node-offset: 18px }
    .node-row:nth-child(4n+3) { --node-offset: 28px }
    .node-row:nth-child(4n+4) { --node-offset: 18px }
}

.node-row::before {
    content: "";
    position: absolute;
    left: 33px;
    top: -34px;
    width: 4px;
    height: 34px;
    border-radius: var(--r-pill);
    background: repeating-linear-gradient(180deg, var(--border-strong) 0 7px, transparent 7px 14px);
    opacity: .9;
}
.node-row:first-child::before { display: none }
.node-row.is-done::before { background: var(--green-500); opacity: .5 }

.node {
    position: relative;
    width: 70px; height: 70px;
    flex-shrink: 0;
    border: 0;
    border-radius: 50%;
    display: grid;
    place-items: center;
    cursor: pointer;
    color: #fff;
    background: linear-gradient(180deg, var(--ink-300), var(--ink-400));
    box-shadow: 0 6px 0 rgba(11,27,51,.16), var(--shadow-sm);
    animation: popIn var(--dur-slow) var(--ease-spring) both;
    animation-delay: calc(var(--i, 0) * 65ms);
    transition: transform var(--dur-fast) var(--ease-spring), box-shadow var(--dur-fast) var(--ease-out);
    -webkit-tap-highlight-color: transparent;
}
.node:hover { transform: translateY(-3px) }
.node:active { transform: translateY(3px) scale(.96); box-shadow: 0 2px 0 rgba(11,27,51,.16) }

.node--done {
    background: linear-gradient(180deg, #34D07B, var(--green-600));
    box-shadow: 0 6px 0 #0A7A54, var(--shadow-sm);
}
.node--current {
    background: linear-gradient(180deg, var(--brand-500), var(--brand-700));
    box-shadow: 0 6px 0 var(--brand-800), var(--shadow-brand);
    transform: scale(1.06);
}
.node--current:hover { transform: scale(1.1) translateY(-3px) }
.node--locked {
    background: linear-gradient(180deg, var(--ink-200), var(--ink-300));
    box-shadow: 0 5px 0 rgba(11,27,51,.12);
    color: var(--ink-500);
    cursor: not-allowed;
}
.node--checkpoint {
    width: 78px; height: 78px;
    background: linear-gradient(180deg, #FFC85C, var(--amber-500));
    box-shadow: 0 6px 0 #B97C09, var(--shadow-md);
}
.node--checkpoint.node--locked {
    background: linear-gradient(180deg, var(--ink-200), var(--ink-300));
    box-shadow: 0 5px 0 rgba(11,27,51,.12);
}

.node__ring {
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    border: 3px solid var(--brand-400);
    opacity: 0;
    pointer-events: none;
}
.node--current .node__ring { animation: pulseRing 2.4s var(--ease-out) infinite }

.node__stars {
    position: absolute;
    bottom: -9px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 1px;
    padding: 2px 5px;
    border-radius: var(--r-pill);
    background: var(--surface);
    box-shadow: var(--shadow-xs);
}
.node__stars svg { width: 11px; height: 11px; color: var(--amber-500) }
.node__stars svg.is-empty { color: var(--ink-200) }

.node-label {
    flex: 1;
    min-width: 0;
    padding: var(--sp-3) var(--sp-4);
    border-radius: var(--r-lg);
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-xs);
    animation: slideFromRight var(--dur-slow) var(--ease-out) both;
    animation-delay: calc(var(--i, 0) * 65ms + 60ms);
    transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.node-row:hover .node-label { transform: translateX(3px); box-shadow: var(--shadow-sm) }
.node-label__title { font-family: var(--font-display); font-weight: 800; font-size: var(--text-sm); line-height: 1.25 }
.node-label__sub { font-size: var(--text-xs); color: var(--text-muted); margin-top: 2px }
.node-label--current { border-color: var(--brand-300); box-shadow: 0 0 0 4px var(--accent-soft) }
.node-label--current .node-label__sub { color: var(--accent-text); font-weight: 700 }
.node-label--locked { opacity: .62 }
.node-label__check { flex-shrink: 0; color: var(--green-500); width: 22px; height: 22px }

/* --- Cartão de trilha ------------------------------------------------------ */

.track-card {
    position: relative;
    overflow: hidden;
    display: block;
    padding: var(--sp-5);
    border-radius: var(--r-xl);
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    text-decoration: none;
    color: inherit;
    transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.track-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); text-decoration: none }
.track-card::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 6px;
    background: var(--track-color, var(--brand-600));
}
.track-card__icon {
    width: 52px; height: 52px;
    border-radius: var(--r-md);
    display: grid; place-items: center;
    color: #fff;
    background: linear-gradient(150deg, var(--track-accent, var(--brand-400)), var(--track-color, var(--brand-600)));
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}
.track-card.is-locked { opacity: .68 }

/* --- Prática ----------------------------------------------------------------- */

.practice-card {
    display: flex;
    align-items: center;
    gap: var(--sp-4);
    padding: var(--sp-4);
    border-radius: var(--r-lg);
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-xs);
    text-decoration: none;
    color: inherit;
    transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out);
}
.practice-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-sm); border-color: var(--brand-300); text-decoration: none }
.practice-card__icon {
    width: 48px; height: 48px;
    border-radius: var(--r-md);
    display: grid; place-items: center;
    flex-shrink: 0;
    color: #fff;
}
.practice-card__count {
    margin-left: auto;
    font-family: var(--font-display);
    font-weight: 900;
    font-size: var(--text-xl);
    color: var(--accent-text);
}
.practice-card.is-empty { opacity: .6 }

/* --- Perfil ------------------------------------------------------------------- */

.profile-hero {
    display: flex;
    align-items: center;
    gap: var(--sp-4);
    flex-wrap: wrap;
}

.level-card {
    padding: var(--sp-4) var(--sp-5);
    border-radius: var(--r-xl);
    background: linear-gradient(140deg, var(--brand-050), var(--brand-100));
    border: 1px solid var(--brand-200);
}
:root[data-theme="dark"] .level-card {
    background: linear-gradient(140deg, rgba(79,163,247,.12), rgba(79,163,247,.06));
    border-color: rgba(79,163,247,.2);
}
.level-card__badge {
    width: 48px; height: 48px;
    border-radius: 50%;
    display: grid; place-items: center;
    background: linear-gradient(150deg, var(--brand-500), var(--brand-700));
    color: #fff;
    box-shadow: var(--shadow-brand);
    flex-shrink: 0;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--sp-2);
    padding: var(--sp-5) var(--sp-3);
    border-radius: var(--r-xl);
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-xs);
}
@media (max-width: 560px) { .stat-grid { grid-template-columns: repeat(2, 1fr); gap: var(--sp-4) } }
.stat-block { text-align: center }
.stat-block__icon { width: 30px; height: 30px; margin: 0 auto var(--sp-2) }
.stat-block__value { font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 900; line-height: 1 }
.stat-block__label { font-size: var(--text-xs); color: var(--text-muted); margin-top: 2px }
.stat-block__hint { font-size: .68rem; color: var(--text-muted) }

.menu-list { border-radius: var(--r-xl); background: var(--surface); border: 1px solid var(--border); overflow: hidden }
.menu-item {
    display: flex;
    align-items: center;
    gap: var(--sp-4);
    padding: var(--sp-4);
    text-decoration: none;
    color: inherit;
    border-bottom: 1px solid var(--border);
    transition: background-color var(--dur-fast) var(--ease-out), padding-left var(--dur-fast) var(--ease-out);
}
.menu-item:last-child { border-bottom: 0 }
.menu-item:hover { background: var(--surface-alt); padding-left: calc(var(--sp-4) + 5px); text-decoration: none }
.menu-item__icon { color: var(--accent); flex-shrink: 0 }
.menu-item__title { font-family: var(--font-display); font-weight: 800; font-size: var(--text-base) }
.menu-item__sub { font-size: var(--text-xs); color: var(--text-muted) }
.menu-item__chevron { margin-left: auto; color: var(--text-muted); transition: transform var(--dur-fast) var(--ease-spring) }
.menu-item:hover .menu-item__chevron { transform: translateX(4px) }

/* --- Conquistas ----------------------------------------------------------------- */

.achievement {
    position: relative;
    text-align: center;
    padding: var(--sp-4) var(--sp-3);
    border-radius: var(--r-lg);
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-xs);
    transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.achievement:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm) }
.achievement__medal {
    width: 60px; height: 60px;
    margin: 0 auto var(--sp-3);
    border-radius: 50%;
    display: grid; place-items: center;
    color: #fff;
    background: linear-gradient(150deg, var(--ach-color, var(--brand-500)), color-mix(in srgb, var(--ach-color, var(--brand-500)) 60%, #000));
    box-shadow: 0 8px 18px color-mix(in srgb, var(--ach-color, var(--brand-500)) 30%, transparent);
}
.achievement.is-locked { opacity: .55 }
.achievement.is-locked .achievement__medal {
    background: var(--surface-sunken);
    color: var(--text-muted);
    box-shadow: none;
}
.achievement__name { font-family: var(--font-display); font-weight: 800; font-size: var(--text-sm) }
.achievement__desc { font-size: var(--text-xs); color: var(--text-muted); margin-top: 2px; min-height: 30px }
.achievement__progress { margin-top: var(--sp-3) }

.achievement-toast {
    position: fixed;
    left: 50%;
    bottom: calc(var(--tabbar-h) + var(--sp-5));
    transform: translateX(-50%);
    z-index: 400;
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    padding: var(--sp-3) var(--sp-5);
    border-radius: var(--r-pill);
    background: linear-gradient(120deg, var(--brand-700), var(--brand-900));
    color: #fff;
    box-shadow: var(--shadow-xl);
    animation: achievementIn var(--dur-slower) var(--ease-spring) both;
    max-width: min(92vw, 420px);
}
@keyframes achievementIn {
    0%   { opacity: 0; transform: translate(-50%, 40px) scale(.8) }
    60%  { opacity: 1; transform: translate(-50%, -6px) scale(1.04) }
    100% { opacity: 1; transform: translate(-50%, 0) scale(1) }
}
.achievement-toast.is-hiding { animation: popOut var(--dur-base) var(--ease-in-out) forwards }

/* --- Sequência / calendário --------------------------------------------------- */

.streak-calendar {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 6px;
}
.streak-day {
    aspect-ratio: 1;
    border-radius: 9px;
    background: var(--surface-sunken);
    display: grid;
    place-items: center;
    font-size: .62rem;
    font-weight: 700;
    color: var(--text-muted);
    animation: popIn var(--dur-base) var(--ease-spring) both;
    animation-delay: calc(var(--i, 0) * 14ms);
}
.streak-day.is-active { background: var(--brand-200); color: var(--brand-800) }
.streak-day.is-goal {
    background: linear-gradient(150deg, #FF9F4D, #F0631B);
    color: #fff;
    box-shadow: 0 4px 10px rgba(240,99,27,.3);
}
.streak-day.is-today { outline: 2px solid var(--brand-500); outline-offset: 2px }

/* --- Glossário / termo ----------------------------------------------------------- */

.term-row {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    padding: var(--sp-3) var(--sp-4);
    border-radius: var(--r-md);
    background: var(--surface);
    border: 1px solid var(--border);
    text-decoration: none;
    color: inherit;
    transition: transform var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
.term-row:hover { transform: translateX(4px); border-color: var(--brand-300); text-decoration: none }
.term-row__text { font-family: var(--font-display); font-weight: 800 }
.term-row__pt { font-size: var(--text-sm); color: var(--text-muted) }

.mastery-ring { width: 44px; height: 44px; flex-shrink: 0 }
.mastery-ring__track { stroke: var(--surface-sunken) }
.mastery-ring__bar {
    stroke: var(--brand-500);
    stroke-linecap: round;
    transform: rotate(-90deg);
    transform-origin: center;
    transition: stroke-dashoffset var(--dur-slower) var(--ease-out);
}
.mastery-ring--high .mastery-ring__bar { stroke: var(--green-500) }
.mastery-ring--low  .mastery-ring__bar { stroke: var(--amber-500) }
.mastery-ring__label {
    font-size: 11px;
    font-weight: 800;
    fill: var(--text-soft);
    font-family: var(--font-display);
}

.example-card {
    padding: var(--sp-4);
    border-radius: var(--r-md);
    background: var(--surface);
    border: 1px solid var(--border);
    animation: riseInSmall var(--dur-base) var(--ease-out) both;
    animation-delay: calc(var(--i, 0) * 45ms);
}
.example-card__en { font-size: var(--text-base); line-height: 1.55 }
.example-card__en mark { background: var(--brand-100); color: var(--brand-700); padding: 1px 5px; border-radius: 5px; font-weight: 700 }
:root[data-theme="dark"] .example-card__en mark { background: rgba(79,163,247,.2); color: var(--brand-300) }
.example-card__pt { font-size: var(--text-sm); color: var(--text-muted); margin-top: 6px }

/* --- Autenticação / splash -------------------------------------------------------- */

.auth {
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(1000px 520px at 50% -10%, #E6F1FF 0%, transparent 62%),
        var(--page-bg);
}
:root[data-theme="dark"] .auth {
    background: radial-gradient(1000px 520px at 50% -10%, rgba(79,163,247,.14) 0%, transparent 62%), var(--page-bg);
}

.auth__skyline {
    position: absolute;
    inset: auto 0 0 0;
    height: 40vh;
    opacity: .35;
    pointer-events: none;
    color: var(--brand-200);
}
:root[data-theme="dark"] .auth__skyline { opacity: .12 }

.auth__panel {
    position: relative;
    z-index: 1;
    background: var(--surface);
    border-radius: var(--r-2xl) var(--r-2xl) 0 0;
    box-shadow: var(--shadow-xl);
    padding: var(--sp-6) var(--sp-5) calc(var(--sp-7) + env(safe-area-inset-bottom));
    animation: sheetUp var(--dur-slower) var(--ease-out) both;
}
@media (min-width: 720px) {
    .auth__panel {
        border-radius: var(--r-2xl);
        max-width: 460px;
        margin: 0 auto var(--sp-8);
        animation: riseIn var(--dur-slow) var(--ease-out) both;
    }
}

.social-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-2) }
.social-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: var(--sp-3) var(--sp-2);
    border-radius: var(--r-md);
    border: 1px solid var(--border);
    background: var(--surface);
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--text-soft);
    cursor: pointer;
    transition: transform var(--dur-fast) var(--ease-spring), border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.social-btn:hover { transform: translateY(-3px); border-color: var(--brand-300); box-shadow: var(--shadow-xs) }

.dots { display: flex; gap: 8px; justify-content: center }
.dot {
    width: 9px; height: 9px;
    border-radius: 50%;
    background: var(--ink-300);
    transition: width var(--dur-base) var(--ease-spring), background-color var(--dur-base) var(--ease-out);
}
.dot.is-active { width: 26px; border-radius: var(--r-pill); background: var(--brand-600) }

/* --- Onboarding ------------------------------------------------------------------- */

.onboard-slide { text-align: center; padding: var(--sp-6) 0 }
.onboard-slide .lex { width: min(240px, 60vw); margin: 0 auto var(--sp-5) }

/* --- Estatísticas ------------------------------------------------------------------ */

.chart-bars {
    display: flex;
    align-items: flex-end;
    gap: 6px;
    height: 150px;
    padding-top: var(--sp-3);
}
.chart-bar {
    flex: 1;
    min-height: 4px;
    border-radius: 6px 6px 3px 3px;
    background: linear-gradient(180deg, var(--brand-400), var(--brand-600));
    transform-origin: bottom;
    animation: barGrow var(--dur-slower) var(--ease-out) both;
    animation-delay: calc(var(--i, 0) * 45ms);
    position: relative;
}
@keyframes barGrow { from { transform: scaleY(0) } to { transform: scaleY(1) } }
.chart-bar--empty { background: var(--surface-sunken) }
.chart-labels { display: flex; gap: 6px; margin-top: 6px }
.chart-labels span { flex: 1; text-align: center; font-size: .6rem; color: var(--text-muted) }

.donut { width: 132px; height: 132px; flex-shrink: 0 }
.donut__segment {
    fill: none;
    stroke-width: 14;
    stroke-linecap: round;
    transform: rotate(-90deg);
    transform-origin: center;
    transition: stroke-dashoffset var(--dur-slower) var(--ease-out);
}

/* --- Offline / PWA ------------------------------------------------------------------ */

.offline-banner {
    position: fixed;
    inset: auto 0 calc(var(--tabbar-h) + 8px) 0;
    z-index: 260;
    margin-inline: auto;
    width: min(92vw, 420px);
    display: none;
    align-items: center;
    gap: var(--sp-3);
    padding: var(--sp-3) var(--sp-4);
    border-radius: var(--r-pill);
    background: var(--ink-800);
    color: #fff;
    font-size: var(--text-sm);
    box-shadow: var(--shadow-lg);
    animation: riseIn var(--dur-base) var(--ease-spring) both;
}
body.is-offline .offline-banner { display: flex }

.update-banner {
    position: fixed;
    inset: auto 0 calc(var(--tabbar-h) + 8px) 0;
    z-index: 260;
    margin-inline: auto;
    width: min(92vw, 420px);
    display: none;
    align-items: center;
    gap: var(--sp-3);
    padding: var(--sp-3) var(--sp-4);
    border-radius: var(--r-pill);
    background: var(--brand-700);
    color: #fff;
    font-size: var(--text-sm);
    box-shadow: var(--shadow-lg);
}
body.has-update .update-banner { display: flex; animation: riseIn var(--dur-base) var(--ease-spring) both }

/* --- Palco da tela de boas-vindas ------------------------------------------- */

.welcome-stage {
    position: relative;
    display: flex;
    justify-content: center;
    margin: var(--sp-6) 0 var(--sp-5);
}
.welcome-stage .lex { width: min(230px, 56vw) }

/* As anotações flutuam sobre os cantos vazios, ancoradas no próprio palco. */
.welcome-note {
    position: absolute;
    top: 6%;
    max-width: 38%;
    font-size: clamp(.86rem, 3.4vw, 1.25rem);
    line-height: 1.25;
    margin: 0;
    animation: riseIn var(--dur-slow) var(--ease-out) both;
}
.welcome-note--left  { left: 0;  text-align: left;  transform: rotate(-4deg); animation-delay: 260ms }
.welcome-note--right { right: 0; text-align: right; transform: rotate(4deg);  animation-delay: 340ms; top: 2% }

/* Bloco do mascote nas telas de autenticação. */
.auth-mascot {
    position: relative;
    width: 150px;
    flex-shrink: 0;
}
.auth-mascot--sm { width: 120px }
.auth-mascot__note {
    position: absolute;
    right: 0;
    top: -6px;
    width: 116px;
    text-align: right;
    font-size: clamp(.86rem, 3.2vw, 1.15rem);
    line-height: 1.2;
    margin: 0;
    transform: rotate(3deg);
}

@media (max-width: 400px) {
    .auth-mascot { width: 118px }
    .auth-mascot__note { width: 100px; top: -14px }
}


/* ---------------------------------------------------------------------
   Tema escuro quando vem da preferência do sistema.

   As regras acima respondem ao atributo data-theme, que só é escrito no
   HTML quando o aluno escolhe um tema explicitamente. No padrão "sistema"
   o atributo não existe: as cores base viram escuras pelos tokens e, sem
   este espelho, nenhum ajuste de componente aplicava — daí texto claro
   sobre fundo claro na alternativa selecionada e nas pílulas do topo.
   --------------------------------------------------------------------- */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .level-card {
        background: linear-gradient(140deg, rgba(79,163,247,.12), rgba(79,163,247,.06));
        border-color: rgba(79,163,247,.2);
    }
    :root:not([data-theme="light"]) .example-card__en mark { background: rgba(79,163,247,.2); color: var(--brand-300) }
    :root:not([data-theme="light"]) .auth {
        background: radial-gradient(1000px 520px at 50% -10%, rgba(79,163,247,.14) 0%, transparent 62%), var(--page-bg);
    }
    :root:not([data-theme="light"]) .auth__skyline { opacity: .12 }
}