/* Variáveis */
:root {
    --ink: #252238;
    --muted: #706c82;
    --surface: #ffffff;
    --surface-soft: #f8f7fc;
    --line: #e9e6f1;
    --purple: #7457e8;
    --purple-dark: #5f43d3;
    --pink: #ed6ca8;
    --orange: #ff9b5b;
    --green: #2b9e73;
    --danger: #c4485f;
    --shadow-sm: 0 8px 24px rgba(51, 40, 92, 0.08);
    --shadow-lg: 0 28px 80px rgba(61, 45, 113, 0.14);
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 30px;
    --space: clamp(1rem, 3vw, 2rem);
    --transition: 180ms ease;
}

/* Base */
* { box-sizing: border-box; }
html { color-scheme: light; scroll-behavior: smooth; }
body {
    margin: 0;
    min-height: 100vh;
    color: var(--ink);
    background: #f7f5fc;
    font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}
button, input, textarea { font: inherit; }
button { color: inherit; }
a { color: inherit; text-decoration: none; }
[hidden] { display: none !important; }
::selection { color: #fff; background: var(--purple); }

.brand {
    display: inline-flex;
    align-items: center;
    gap: .7rem;
    width: max-content;
    font-size: 1.25rem;
    font-weight: 850;
    letter-spacing: -.04em;
}
.brand-mark {
    display: grid;
    place-items: center;
    width: 2.35rem;
    aspect-ratio: 1;
    color: #fff;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--purple), var(--pink));
    box-shadow: 0 7px 18px rgba(116, 87, 232, .28);
    transform: rotate(-5deg);
}
.eyebrow {
    margin: 0 0 .6rem;
    color: var(--purple);
    font-size: .74rem;
    font-weight: 850;
    letter-spacing: .14em;
    text-transform: uppercase;
}

/* Autenticação */
.auth-page {
    display: grid;
    place-items: center;
    overflow-x: hidden;
    padding: clamp(1rem, 5vw, 4rem);
    background:
        radial-gradient(circle at 15% 20%, rgba(237, 108, 168, .13), transparent 28rem),
        radial-gradient(circle at 85% 75%, rgba(116, 87, 232, .13), transparent 30rem),
        #f8f7fc;
}
.auth-shell {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, .95fr) minmax(340px, .7fr);
    gap: clamp(3rem, 7vw, 7rem);
    align-items: center;
    width: min(1080px, 100%);
}
.auth-intro { max-width: 560px; animation: rise-in .55s both; }
.auth-intro .brand { margin-bottom: clamp(3rem, 10vh, 6rem); }
.auth-intro h1 {
    margin: 0;
    font-size: clamp(2.8rem, 6vw, 5.25rem);
    line-height: .98;
    letter-spacing: -.065em;
}
.auth-intro h1 span {
    color: transparent;
    background: linear-gradient(100deg, var(--purple), var(--pink), var(--orange));
    background-clip: text;
    -webkit-background-clip: text;
}
.auth-intro > p:not(.eyebrow) { max-width: 500px; margin: 1.5rem 0 2rem; color: var(--muted); font-size: 1.08rem; }
.community-phrases {
    width: min(420px, 100%);
    min-height: 126px;
    padding: 1rem 1.2rem;
    color: var(--muted);
    border: 1px solid rgba(116, 87, 232, .14);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, .58);
    backdrop-filter: blur(12px);
}
.community-label { display: flex; align-items: center; gap: .5rem; color: var(--purple); font-size: .7rem; font-weight: 850; letter-spacing: .09em; text-transform: uppercase; }
.live-dot { width: .42rem; aspect-ratio: 1; border-radius: 50%; background: #43b983; box-shadow: 0 0 0 4px rgba(67, 185, 131, .12); animation: live-pulse 2s ease-in-out infinite; }
.blur-phrase { min-height: 2.7em; margin: .65rem 0 .35rem; color: var(--ink); font-size: clamp(.95rem, 1.7vw, 1.08rem); font-weight: 760; line-height: 1.4; transition: opacity .38s ease, filter .38s ease, transform .38s ease; }
.blur-phrase.is-leaving { opacity: 0; filter: blur(8px); transform: translateY(-7px); }
.blur-word { display: inline-block; opacity: 0; filter: blur(10px); transform: translateY(9px); animation: blur-word-in .62s cubic-bezier(.22, 1, .36, 1) forwards; animation-delay: calc(var(--word-index) * 70ms); }
.blur-word.is-static { opacity: 1; filter: none; transform: none; animation: none; }
.community-note { margin: 0; color: #9691a3; font-size: .66rem; }
.community-empty .blur-phrase { min-height: auto; }
.auth-card {
    padding: clamp(1.4rem, 4vw, 2.35rem);
    border: 1px solid rgba(255, 255, 255, .7);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, .92);
    box-shadow: var(--shadow-lg);
    animation: rise-in .55s .08s both;
}
.auth-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: .3rem; margin-bottom: 1.75rem; padding: .3rem; border-radius: 15px; background: var(--surface-soft); }
.auth-tab { padding: .7rem; border: 0; border-radius: 11px; background: transparent; color: var(--muted); font-weight: 750; cursor: pointer; transition: var(--transition); }
.auth-tab.is-active { color: var(--ink); background: #fff; box-shadow: 0 4px 14px rgba(52, 39, 99, .08); }
.form-heading { margin-bottom: 1.4rem; }
.form-heading h2 { margin: 0 0 .3rem; font-size: 1.55rem; letter-spacing: -.035em; }
.form-heading p { margin: 0; color: var(--muted); font-size: .92rem; }
.auth-form { display: grid; gap: .65rem; }
.auth-form label, .resend-form label { font-size: .82rem; font-weight: 750; }
.auth-form label small { color: var(--muted); font-weight: 500; }
.auth-form input, .resend-form input {
    width: 100%;
    min-height: 3.1rem;
    margin-bottom: .4rem;
    padding: .75rem .95rem;
    color: var(--ink);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    outline: 0;
    background: #fff;
    transition: border var(--transition), box-shadow var(--transition);
}
.auth-form input:focus, .resend-form input:focus { border-color: var(--purple); box-shadow: 0 0 0 4px rgba(116, 87, 232, .11); }
.resend-panel { margin-top: 1.35rem; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .82rem; }
.resend-panel summary { text-align: center; cursor: pointer; }
.resend-form { margin-top: 1rem; }
.inline-form { display: flex; gap: .5rem; align-items: center; margin-top: .4rem; }
.inline-form input { margin: 0; }

/* Layout */
.app-page {
    overflow-x: hidden;
    background:
        radial-gradient(circle at 4% 16%, rgba(237, 108, 168, .1), transparent 21rem),
        radial-gradient(circle at 96% 24%, rgba(116, 87, 232, .1), transparent 25rem),
        #f8f7fc;
}
.site-header {
    position: relative;
    z-index: 3;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    width: min(1120px, calc(100% - 2rem));
    margin: 0 auto;
    padding: 1.3rem 0;
}
.account-area { display: flex; align-items: center; gap: 1rem; color: var(--muted); font-size: .84rem; }
.account-email { display: flex; align-items: center; gap: .5rem; }
.status-dot { width: .45rem; aspect-ratio: 1; border-radius: 50%; background: #44bc83; box-shadow: 0 0 0 4px rgba(68, 188, 131, .12); }
.logout-button { padding: .55rem .7rem; border: 0; background: transparent; color: var(--muted); cursor: pointer; transition: color var(--transition); }
.logout-button:hover { color: var(--purple); }
.app-shell { position: relative; z-index: 1; width: min(920px, calc(100% - 2rem)); margin: clamp(2rem, 6vh, 4.5rem) auto 5rem; }
.generator-card {
    position: relative;
    padding: clamp(1.4rem, 4vw, 3.4rem);
    border: 1px solid rgba(255, 255, 255, .8);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, .94);
    box-shadow: var(--shadow-lg);
    animation: rise-in .55s both;
}
.generator-heading { display: flex; justify-content: space-between; align-items: start; gap: 2rem; margin-bottom: 2rem; }
.generator-heading h1 { margin: 0; font-size: clamp(2rem, 5vw, 3.35rem); line-height: 1.05; letter-spacing: -.055em; }
.generator-heading > div > p:last-child { margin: .8rem 0 0; color: var(--muted); }
.spark-icon { display: grid; place-items: center; flex: 0 0 auto; width: 3.2rem; aspect-ratio: 1; color: #fff; border-radius: 50%; background: linear-gradient(135deg, var(--orange), var(--pink)); box-shadow: 0 12px 25px rgba(237, 108, 168, .25); }

/* Gerador */
.composer { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface-soft); transition: border var(--transition), box-shadow var(--transition); }
.composer:focus-within { border-color: rgba(116, 87, 232, .7); box-shadow: 0 0 0 5px rgba(116, 87, 232, .08); }
.composer textarea { display: block; resize: vertical; width: 100%; min-height: 150px; padding: 1.25rem; border: 0; outline: 0; color: var(--ink); background: transparent; line-height: 1.65; }
.composer textarea::placeholder { color: #aaa5b8; }
.composer-footer { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: .75rem .8rem .75rem 1.2rem; border-top: 1px solid var(--line); background: rgba(255, 255, 255, .7); }
#character-count { color: var(--muted); font-size: .78rem; font-variant-numeric: tabular-nums; }
#character-count.is-near-limit { color: var(--danger); font-weight: 750; }
.suggestions { display: flex; flex-wrap: wrap; align-items: center; gap: .55rem; margin-top: 1rem; color: var(--muted); font-size: .76rem; }
.suggestion { padding: .45rem .7rem; border: 1px solid var(--line); border-radius: 999px; background: #fff; color: var(--muted); cursor: pointer; transition: var(--transition); }
.suggestion:hover { color: var(--purple); border-color: rgba(116, 87, 232, .4); transform: translateY(-1px); }
.public-sharing-note { display: flex; align-items: start; gap: .45rem; margin: .8rem 0 0; color: #9691a3; font-size: .68rem; }
.public-sharing-note span { flex: 0 0 auto; color: var(--purple); }
.loading-card, .joke-result { margin-top: 1.4rem; padding: 1.25rem 1.35rem; border-radius: var(--radius-md); }
.loading-card { display: flex; justify-content: center; align-items: center; gap: .8rem; color: var(--purple-dark); background: #f4f1ff; font-size: .9rem; font-weight: 700; }
.loading-dots { display: flex; gap: .25rem; }
.loading-dots i { width: .35rem; aspect-ratio: 1; border-radius: 50%; background: var(--purple); animation: dots 1s infinite ease-in-out; }
.loading-dots i:nth-child(2) { animation-delay: .15s; }
.loading-dots i:nth-child(3) { animation-delay: .3s; }
.joke-result { position: relative; opacity: 0; transform: translateY(8px); border: 1px solid rgba(116, 87, 232, .13); background: linear-gradient(135deg, #f7f4ff, #fff8fb); transition: opacity .35s ease, transform .35s ease; }
.joke-result.is-visible { opacity: 1; transform: translateY(0); }
.result-label { display: flex; align-items: center; gap: .4rem; color: var(--purple); font-size: .72rem; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.joke-result p { margin: .8rem 3.5rem .2rem 0; font-size: 1.08rem; line-height: 1.7; white-space: pre-wrap; }
.copy-button { position: absolute; right: 1rem; bottom: 1rem; padding: .35rem .55rem; border: 0; border-radius: 8px; background: rgba(255, 255, 255, .7); color: var(--muted); font-size: .72rem; cursor: pointer; }

/* Histórico */
.history-section { margin-top: 3.5rem; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 1rem; margin-bottom: 1.2rem; padding: 0 .3rem; }
.section-heading h2 { margin: 0; font-size: 1.55rem; letter-spacing: -.035em; }
.history-count { padding: .35rem .6rem; border-radius: 999px; color: var(--muted); background: #eeebf5; font-size: .72rem; font-weight: 750; }
.history-list { display: grid; gap: .8rem; }
.history-item { padding: 1.25rem 1.35rem; border: 1px solid var(--line); border-radius: var(--radius-md); background: rgba(255, 255, 255, .72); box-shadow: var(--shadow-sm); transition: opacity .4s ease, transform .4s ease, background .4s ease; }
.history-item.is-new { opacity: 0; transform: translateY(-8px); background: #f3efff; }
.history-meta { display: flex; justify-content: space-between; align-items: start; gap: 1rem; }
.history-meta strong { color: var(--purple-dark); font-size: .8rem; }
.history-meta time { flex: 0 0 auto; color: #9994a6; font-size: .7rem; }
.history-item p { margin: .65rem 0 0; color: #514d60; font-size: .9rem; line-height: 1.65; white-space: pre-wrap; }
.empty-state { padding: 2.2rem; text-align: center; color: var(--muted); border: 1px dashed #d9d4e5; border-radius: var(--radius-md); }
.empty-state span { font-size: 2rem; }
.empty-state p { margin: .4rem 0 .15rem; color: var(--ink); font-weight: 750; }
.empty-state small { font-size: .78rem; }
.site-footer { padding: 0 1rem 2.5rem; text-align: center; color: #9a95a6; font-size: .72rem; }
.site-footer span { color: var(--pink); }

/* Combustíveis */
.fuel-page {
    overflow-x: hidden;
    background:
        radial-gradient(circle at 8% 14%, rgba(67, 185, 131, .11), transparent 24rem),
        radial-gradient(circle at 92% 38%, rgba(116, 87, 232, .1), transparent 28rem),
        #f8f7fc;
}
.fuel-header { width: min(1180px, calc(100% - 2rem)); }
.fuel-back-link { display: inline-flex; align-items: center; gap: .45rem; padding: .6rem .8rem; color: var(--muted); border-radius: 10px; font-size: .82rem; font-weight: 700; transition: var(--transition); }
.fuel-back-link:hover { color: var(--purple); background: rgba(255, 255, 255, .7); }
.fuel-shell { position: relative; z-index: 1; width: min(1120px, calc(100% - 2rem)); margin: clamp(2rem, 6vh, 4.5rem) auto 5rem; }
.fuel-hero { display: flex; justify-content: space-between; align-items: end; gap: 3rem; margin-bottom: 2.2rem; }
.fuel-hero h1 { margin: 0; font-size: clamp(2.7rem, 7vw, 5.6rem); line-height: .92; letter-spacing: -.07em; }
.fuel-hero h1 span { color: transparent; background: linear-gradient(100deg, #24946a, var(--purple), var(--pink)); background-clip: text; -webkit-background-clip: text; }
.fuel-hero > div:first-child > p:last-child { max-width: 620px; margin: 1.25rem 0 0; color: var(--muted); font-size: 1.03rem; }
.fuel-update-card { display: flex; align-items: center; gap: .9rem; flex: 0 0 auto; min-width: 240px; padding: 1rem 1.1rem; border: 1px solid rgba(67, 185, 131, .17); border-radius: var(--radius-md); background: rgba(255, 255, 255, .75); box-shadow: var(--shadow-sm); }
.fuel-update-icon { display: grid; place-items: center; width: 2.8rem; aspect-ratio: 1; border-radius: 13px; background: #e7f7f0; font-size: 1.2rem; }
.fuel-update-card div { display: flex; flex-direction: column; }
.fuel-update-card small, .fuel-update-card span { color: var(--muted); font-size: .68rem; }
.fuel-update-card strong { font-size: 1rem; }
.fuel-cache-note { margin: -1rem 0 1.2rem; color: var(--muted); font-size: .7rem; }
.fuel-notice { margin-bottom: 1.2rem; }
.fuel-filter-card { padding: clamp(1.15rem, 3vw, 1.7rem); border: 1px solid rgba(255, 255, 255, .8); border-radius: var(--radius-lg); background: rgba(255, 255, 255, .92); box-shadow: var(--shadow-lg); }
.fuel-filter-heading { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 1.2rem; }
.fuel-filter-heading h2 { margin: 0; font-size: 1.35rem; letter-spacing: -.035em; }
.fuel-reset { padding: .45rem .6rem; color: var(--purple); border: 0; background: transparent; font-size: .76rem; font-weight: 800; cursor: pointer; }
.fuel-filters { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: .85rem; }
.fuel-field { display: flex; flex-direction: column; gap: .42rem; min-width: 0; color: var(--muted); font-size: .72rem; font-weight: 750; }
.fuel-field input:not([type="range"]), .fuel-field select { width: 100%; min-height: 2.9rem; padding: .7rem .8rem; color: var(--ink); border: 1px solid var(--line); border-radius: 11px; outline: 0; background: var(--surface-soft); transition: var(--transition); }
.fuel-field input:focus, .fuel-field select:focus { border-color: var(--purple); box-shadow: 0 0 0 4px rgba(116, 87, 232, .09); }
.fuel-price-field { grid-column: 1 / -1; margin-top: .2rem; }
.fuel-price-field > span { display: flex; justify-content: space-between; }
.fuel-price-field strong { color: var(--purple); }
.fuel-price-field input { width: 100%; accent-color: var(--purple); cursor: pointer; }
.fuel-results-heading { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin: 2rem .2rem 1rem; color: var(--muted); font-size: .78rem; }
.fuel-results-heading p { margin: 0; }
.fuel-results-heading strong { color: var(--ink); }
.fuel-results-heading > span { color: #9893a5; }
.fuel-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.fuel-card { padding: 1.25rem; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-md); background: rgba(255, 255, 255, .88); box-shadow: var(--shadow-sm); animation: rise-in .35s both; }
.fuel-card-top { display: flex; justify-content: space-between; align-items: center; gap: .6rem; }
.fuel-road-badge { padding: .3rem .5rem; color: #8b6573; border-radius: 999px; background: #fff0f4; font-size: .62rem; font-weight: 800; }
.fuel-road-badge.is-road { color: #27785b; background: #e9f8f1; }
.fuel-slug { overflow: hidden; color: #aaa5b5; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .58rem; text-overflow: ellipsis; white-space: nowrap; }
.fuel-card h2 { min-height: 2.8em; margin: 1rem 0 .75rem; font-size: 1.02rem; line-height: 1.4; letter-spacing: -.025em; }
.fuel-main-price { display: flex; flex-direction: column; padding-bottom: 1rem; border-bottom: 1px solid var(--line); }
.fuel-main-price strong { font-size: clamp(1.75rem, 3vw, 2.25rem); line-height: 1; letter-spacing: -.055em; }
.fuel-main-price span { margin-top: .3rem; color: var(--muted); font-size: .66rem; }
.fuel-price-range { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: .7rem; margin-top: 1rem; }
.fuel-price-range div { display: flex; flex-direction: column; }
.fuel-price-range div:last-child { text-align: right; }
.fuel-price-range span { color: #9c97a8; font-size: .62rem; }
.fuel-price-range strong { font-size: .79rem; }
.fuel-range-line { height: 2px; background: linear-gradient(90deg, #56bd92, var(--orange)); }
.fuel-station-count { margin-top: 1rem; padding-top: .8rem; color: var(--muted); border-top: 1px solid var(--line); font-size: .68rem; }
.fuel-station-count span { color: var(--purple); }
.fuel-empty { margin-top: 1rem; }
.fuel-data-note { margin-top: 2rem; padding: 1.2rem 1.3rem; color: var(--muted); border: 1px solid rgba(116, 87, 232, .12); border-radius: var(--radius-md); background: rgba(255, 255, 255, .55); font-size: .78rem; }
.fuel-data-note strong { color: var(--ink); }
.fuel-data-note p { margin: .4rem 0 .65rem; }
.fuel-data-note a { color: var(--purple); font-weight: 750; }
.fuel-error-card { padding: 3rem 1.5rem; text-align: center; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow-lg); }
.fuel-error-card > span { font-size: 2.5rem; }
.fuel-error-card h2 { margin: .5rem 0 .3rem; }
.fuel-error-card p { margin: 0 auto 1.2rem; color: var(--muted); }

/* Componentes */
.button { display: inline-flex; justify-content: center; align-items: center; gap: .55rem; min-height: 2.9rem; padding: .7rem 1rem; border: 0; border-radius: var(--radius-sm); font-weight: 800; cursor: pointer; transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition); }
.button:hover:not(:disabled) { transform: translateY(-2px); }
.button:disabled { opacity: .62; cursor: wait; }
.button-primary { color: #fff; background: linear-gradient(120deg, var(--purple), #9166e8, var(--pink)); box-shadow: 0 10px 22px rgba(116, 87, 232, .25); }
.button-primary:hover:not(:disabled) { box-shadow: 0 14px 28px rgba(116, 87, 232, .33); }
.button-secondary { border: 1px solid var(--line); background: var(--surface-soft); }
.button-full { width: 100%; margin-top: .55rem; }
.generate-button { min-width: 150px; }
.generate-button.is-done { animation: success-pop .6s ease; }
.notice { margin: 0 0 1rem; padding: .8rem .9rem; border-radius: 11px; font-size: .82rem; }
.notice p { margin: 0; }
.notice p + p { margin-top: .25rem; }
.notice-success { color: #1f7456; background: #eaf8f1; border: 1px solid #ccebdd; }
.notice-error { color: #9c354a; background: #fff0f3; border: 1px solid #f3d1d8; }
.toast { position: fixed; z-index: 10; right: 1.2rem; bottom: 1.2rem; max-width: min(380px, calc(100% - 2.4rem)); padding: .85rem 1rem; opacity: 0; transform: translateY(12px); border-radius: var(--radius-sm); color: #fff; background: #373248; box-shadow: var(--shadow-lg); font-size: .86rem; transition: var(--transition); }
.toast.is-visible { opacity: 1; transform: translateY(0); }
.toast-success { background: #267b5d; }
.decor { position: fixed; border-radius: 50%; pointer-events: none; filter: blur(1px); animation: float 9s ease-in-out infinite alternate; }
.decor-one { top: 7%; left: 4%; width: 70px; height: 70px; background: rgba(255, 155, 91, .18); }
.decor-two { right: 5%; bottom: 7%; width: 120px; height: 120px; background: rgba(116, 87, 232, .12); animation-delay: -3s; }
.decor-three { top: 20%; left: -40px; width: 120px; height: 120px; background: rgba(237, 108, 168, .1); }
.decor-four { top: 45%; right: -55px; width: 150px; height: 150px; background: rgba(116, 87, 232, .09); animation-delay: -4s; }

/* Animações */
@keyframes rise-in { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
@keyframes float { from { transform: translate3d(0, -8px, 0) rotate(0); } to { transform: translate3d(15px, 15px, 0) rotate(12deg); } }
@keyframes dots { 0%, 60%, 100% { transform: translateY(0); opacity: .35; } 30% { transform: translateY(-5px); opacity: 1; } }
@keyframes success-pop { 50% { transform: scale(1.04); filter: brightness(1.1); } }
@keyframes blur-word-in { to { opacity: 1; filter: blur(0); transform: translateY(0); } }
@keyframes live-pulse { 50% { opacity: .55; transform: scale(.82); } }

/* Responsividade */
@media (max-width: 820px) {
    .auth-shell { grid-template-columns: 1fr; gap: 2rem; max-width: 540px; }
    .auth-intro { text-align: center; }
    .auth-intro .brand { margin: 0 auto 2.5rem; }
    .auth-intro > p:not(.eyebrow), .community-phrases { margin-left: auto; margin-right: auto; }
    .account-email { display: none; }
    .fuel-hero { align-items: start; flex-direction: column; gap: 1.5rem; }
    .fuel-update-card { min-width: 0; }
    .fuel-filters { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .fuel-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
    .auth-page { display: block; padding: 1rem; }
    .auth-intro { padding: 1.5rem .4rem 0; }
    .auth-intro h1 { font-size: 2.65rem; }
    .auth-intro .brand { margin-bottom: 2.2rem; }
    .community-phrases { text-align: left; }
    .auth-card { padding: 1.25rem; border-radius: 24px; }
    .inline-form { align-items: stretch; flex-direction: column; }
    .site-header { padding: 1rem 0; }
    .site-header .brand { font-size: 1.05rem; }
    .logout-button { font-size: .78rem; }
    .app-shell { margin-top: 1.5rem; }
    .generator-card { border-radius: 24px; }
    .generator-heading { margin-bottom: 1.4rem; }
    .spark-icon { width: 2.5rem; }
    .composer-footer { align-items: stretch; flex-direction: column; padding: .8rem; }
    .generate-button { width: 100%; }
    .suggestions > span { width: 100%; }
    .joke-result p { margin-right: 0; padding-bottom: 2.2rem; }
    .history-meta { flex-direction: column; gap: .2rem; }
    .history-section { margin-top: 2.5rem; }
    .fuel-back-link { padding: .5rem; font-size: 0; }
    .fuel-back-link span { font-size: 1.1rem; }
    .fuel-shell { margin-top: 1.5rem; }
    .fuel-hero h1 { font-size: 3.2rem; }
    .fuel-update-card { width: 100%; }
    .fuel-filter-card { border-radius: 24px; }
    .fuel-filter-heading { align-items: start; }
    .fuel-filters, .fuel-grid { grid-template-columns: 1fr; }
    .fuel-price-field { grid-column: auto; }
    .fuel-results-heading > span { display: none; }
    .fuel-card h2 { min-height: auto; }
}

/* Acessibilidade */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
:focus-visible { outline: 3px solid rgba(116, 87, 232, .5); outline-offset: 3px; }
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}