:root {
    --primary: #c70e18;
    --secondary: #FFCC00;
    --tertiary: #8C8C8C;
    --bg: #FFFFFF;
    --surface: #FFFFFF;
    --appbar-bg: #d40511;
    --appbar-text: #000000;
    --drawer-bg: #F9F9F9;
    --drawer-text: #000000;
    --drawer-icon: #FF0000;
    --text: #000000;
    --text-secondary: #616161;
    --action: #d40511;
    --action-disabled: #666666;
    --action-disabled-bg: #E0E0E0;
    --divider: #BDBDBD;
    --lines-default: #BDBDBD;
    --lines-inputs: #E0E0E0;
    --success: #4CAF50;
    --warning: #FFC107;
    --error: #F44336;
    --info: #2196F3;
    --card: var(--surface);
    --border: var(--lines-default);
    --muted: var(--text-secondary);
    --primary-ink: #a40b0b;
    --bg-alt: #f6f7fb;
    --hero-bg: linear-gradient(180deg,#ffffff 0%,#f6f7fb 100%);
    --appbar-bg: var(--hero-bg);
    --safe-top: env(safe-area-inset-top, 0px);
    --appbar-h: 56px;
    --btn-border: rgba(0,0,0,.16);
    color-scheme: light;
}

    :root[data-theme="dark"] {
        --primary: #eb4d4d;
        --secondary: #FFCC00;
        --tertiary: #E0E0E0;
        --bg: #303030;
        --surface: #3a3a3a;
        --appbar-bg: #1e1e1e;
        --appbar-text: #E0E0E0;
        --drawer-bg: #3a3a3a;
        --drawer-text: #E0E0E0;
        --drawer-icon: #b83030;
        --text: #E0E0E0;
        --text-secondary: #A0A0A0;
        --action: #b83030;
        --action-disabled: #606060;
        --action-disabled-bg: #a03a3a;
        --divider: #8A8A8A;
        --lines-default: #8A8A8A;
        --lines-inputs: #C0C0C0;
        --success: #3a7d3a;
        --warning: #d4a022;
        --error: #c04c4c;
        --info: #4c7bbd;
        --card: var(--surface);
        --border: #2a2a2a;
        --hero-bg: radial-gradient(1400px 500px at 12% -18%, rgba(235,77,77,.22), transparent 60%), radial-gradient(1200px 400px at 88% -20%, rgba(255,204,0,.12), transparent 60%), linear-gradient(180deg,#1a1f2a 0%,#0f1522 100%);
        --btn-border: rgba(255,255,255,.22);
        color-scheme: dark;
    }

@media (prefers-color-scheme: dark) {
    :root {
        color-scheme: dark;
    }
}

@media (min-width: 641px) {
    :root {
        --appbar-h: 64px;
    }
}

html {
    -webkit-text-size-adjust: 100%;
    scroll-padding-top: calc(var(--appbar-h) + var(--safe-top) + 12px);
}

html, body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
}

body {
    font-family: Arial, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    padding-top: calc(var(--appbar-h) + var(--safe-top));
}

h1 {
    font-size: 3rem;
    text-transform: uppercase;
}

h2 {
    font-size: 2.5rem;
    text-transform: uppercase;
}

h3 {
    font-size: 2rem;
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1rem;
}

h6 {
    font-size: 0.875rem;
}

#root {
    position: relative;
    min-height: 100vh;
}

.container {
    max-width: 1100px;
    margin-inline: auto;
    padding: 24px 16px;
}

section.container.container--tight {
    padding: 0;
    margin-block: 0px;
}

.container--tight .alert {
    margin: 0;
    padding: 10px 120px;
}


.center {
    text-align: center;
}

.mw700 {
    max-width: 700px;
    margin-inline: auto;
}

.mw900 {
    max-width: 900px;
    margin-inline: auto;
}

.mb6 {
    margin-bottom: 6px;
}

.mb16 {
    margin-bottom: 16px;
}

.pad24 {
    padding: 24px;
}

.t20 {
    font-size: 20px;
}

.f16 {
    font-size: 16px;
}

.row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    align-items: flex-start;
}

.grow {
    flex: 1 1 420px;
}

a {
    color: var(--primary);
    text-decoration: underline;
}

    a.ext-mat {
        color: #1a73e8;
        text-decoration: underline;
    }

.ext-icon {
    font-family: "Material Symbols Rounded";
    margin-left: .25em;
    font-size: 1em;
    line-height: 0;
    vertical-align: -2px;
    color: #1a73e8;
}

.card {
    background: var(--card);
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,.06);
    padding: 20px;
    margin-bottom: 20px;
    border: 1px solid transparent;
}

    .card.outlined {
        box-shadow: none;
        border: 1px solid var(--border);
    }

.card, .border, .bg-white {
    background: var(--surface) !important;
    color: var(--text);
    border-color: var(--border) !important;
}

.divider {
    height: 1px;
    background: var(--border);
    margin: 16px 0;
}

hr {
    border-color: var(--divider) !important;
    opacity: 1;
}

.btn {
    appearance: none;
    border: 1px solid var(--border);
    background: var(--card);
    padding: 6px 10px;
    border-radius: 8px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    color: var(--text);
}

    .btn:hover {
        border-color: #cfd4dc;
    }

    .btn.primary, .btn-primary {
        background: var(--primary);
        color: #fff;
        border-color: var(--primary);
    }

.grid {
    display: grid;
    gap: 8px 14px;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    margin-top: 8px;
}

    .grid .k {
        font-weight: 600;
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .grid .v {
        color: var(--text);
        word-break: break-word;
    }

    .grid.kv-rows {
        border: 1px solid var(--border);
        border-radius: 10px;
        overflow: hidden;
        grid-template-columns: minmax(220px,1fr) 2fr;
        column-gap: 0;
    }

        .grid.kv-rows > .k, .grid.kv-rows > .v {
            padding: 12px 14px;
            border-top: 1px solid var(--border);
        }

        .grid.kv-rows > .k {
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .grid.kv-rows > :nth-child(-n+2) {
            border-top: none;
        }

        .grid.kv-rows > .v {
            margin-left: -1px;
        }

@media (max-width:640px) {
    .grid {
        grid-template-columns: 1fr;
    }

        .grid.kv-rows {
            grid-template-columns: 1fr;
        }

            .grid.kv-rows > .v {
                margin-left: 0;
            }

            .grid.kv-rows > :nth-child(2n) {
                border-top: 1px solid var(--border);
            }
}

.alert {
    border-radius: 10px;
    padding: 14px 16px;
    margin: 16px 0;
    font-weight: 500;
}

    .alert.error {
        background: #fff5f5;
        color: var(--appbar-bg);
        border: 1px solid var(--border);
    }

:root[data-theme="dark"] .alert.error {
    background: var(--action-disabled);
    color: var(--text);
}

.alert.info {
    background: #e3f2fd;
    color: var(--text);
}

:root[data-theme="dark"] .alert.info {
    background: var(--action-disabled);
    color: var(--text);
}

.alert.success {
    background: #e8f5e9;
    color: var(--text);
}

:root[data-theme="dark"] .alert.success {
    background: var(--action-disabled);
    color: var(--text);
}

.alert.neutral {
    background: var(--card);
    color: var(--text);
    border: 1px solid var(--border);
}

.stack {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

    .stack.center {
        align-items: center;
    }

        .stack.center .alert {
            text-align: center;
        }

.pill {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--primary);
    color: #fff;
    margin: 0 auto 8px;
}

    .pill .icon {
        font-size: 28px;
        line-height: 1;
    }

.cards {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 14px;
}

@media (max-width:900px) {
    .cards {
        grid-template-columns: repeat(2,1fr);
    }
}

@media (max-width:640px) {
    .cards {
        grid-template-columns: 1fr;
    }
}

.two {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

@media (max-width:800px) {
    .two {
        grid-template-columns: 1fr;
    }
}

.bullets {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

    .bullets p {
        margin: 0;
    }

.tabs {
    display: flex;
    gap: 6px;
    justify-content: center;
    flex-wrap: wrap;
    margin: 8px 0 12px;
}

.tab-btn {
    border: 1px solid var(--border);
    background: var(--card);
    padding: 8px 12px;
    border-radius: 999px;
    cursor: pointer;
    font-weight: 600;
    color: var(--text);
}

    .tab-btn.active {
        background: var(--primary);
        color: #fff;
        border-color: var(--primary);
    }

.tab-panel {
    display: none;
}

    .tab-panel.active {
        display: block;
    }

.accordion {
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.acc-item + .acc-item {
    border-top: 1px solid var(--border);
}

.acc-head {
    width: 100%;
    padding: 14px 16px;
    background: var(--card);
    border: 0;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--text);
}

    .acc-head > span:first-child {
        flex: 1 1 auto;
        text-align: center;
    }

    .acc-head .chev {
        flex: 0 0 auto;
        margin-left: 8px;
        min-width: 20px;
        text-align: right;
    }

.acc-body {
    display: none;
    padding: 18px 14px;
    background: var(--card);
    color: var(--text);
    border-top: 1px solid var(--border);
    text-align: center;
}

.acc-item.open .acc-body {
    display: block;
}

.chev, .icon {
    font-family: "Material Symbols Rounded";
}

.icon {
    vertical-align: -6px;
}

footer {
    border-top: 1px solid var(--border);
    background: var(--card);
}

    footer .foot {
        max-width: 1100px;
        margin: auto;
        padding: 14px 16px;
        text-align: center;
    }

.toast {
    position: fixed;
    left: 50%;
    bottom: 24px;
    transform: translateX(-50%);
    background: rgba(33,33,33,.95);
    color: #fff;
    padding: 10px 14px;
    border-radius: 10px;
    box-shadow: 0 6px 16px rgba(0,0,0,.25);
    display: none;
    z-index: 9999;
}

body, .card, .btn, .acc-head, .acc-body, .divider, footer, iframe.map {
    transition: background-color .25s ease, color .25s ease, border-color .25s ease, box-shadow .25s ease, filter .25s ease;
}

.appbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: calc(var(--appbar-h) + var(--safe-top));
    background: radial-gradient(1200px 400px at 10% -10%, rgba(255,255,255,.45), transparent 60%), radial-gradient(1200px 400px at 90% -20%, rgba(200,200,200,.25), transparent 60%), linear-gradient(180deg, rgba(255,255,255,.99) 0%, rgba(245,245,245,.90) 100%);
    color: var(--appbar-text);
    border-bottom: 1px solid var(--border);
    padding-top: var(--safe-top);
}

:root[data-theme="dark"] .appbar {
    background: var(--hero-bg);
}

.appbar__inner {
    height: var(--appbar-h);
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--appbar-text);
    font-weight: 800;
    letter-spacing: .2px;
}

    .brand span {
        font-size: 1.2rem;
        font-weight: 700;
    }

.brand__logo {
    height: 1.2em;
    vertical-align: middle;
}

.brand__text strong {
    color: var(--secondary);
}

.nav {
    display: flex;
    gap: 12px;
    margin-left: auto;
}

.nav__link {
    text-decoration: none;
    padding: 8px 12px;
    border-radius: 10px;
    color: var(--appbar-text);
    border: 1px solid transparent;
    font-weight: 600;
}

    .nav__link:hover {
        background: var(--card);
        border-color: var(--border);
    }

    .nav__link[aria-current="page"] {
        background: var(--primary);
        color: #fff;
        border-color: var(--primary);
    }

.appbar__actions {
    display: flex;
    gap: 8px;
    margin-left: 8px;
}

.appbar__btn {
    background: var(--card);
}

.appbar__menu-btn {
    display: none;
}

.appbar__btn .icon-moon, .appbar__btn .icon-sun {
    width: 1.2em;
    display: inline-block;
    text-align: center;
}

:root[data-theme="light"] .icon-moon {
    display: inline-block;
}

:root[data-theme="light"] .icon-sun {
    display: none;
}

:root[data-theme="dark"] .icon-moon {
    display: none;
}

:root[data-theme="dark"] .icon-sun {
    display: inline-block;
}

.theme-toggle {
    position: static;
    right: auto;
    top: auto;
    z-index: auto;
}

.theme-fab {
    display: none;
}

@media (max-width: 640px) {
    .appbar__menu-btn {
        display: inline-flex;
    }

    .nav {
        display: none;
        position: absolute;
        left: 0;
        right: 0;
        top: calc(100% + 1px);
        background: var(--surface);
        border-bottom: 1px solid var(--border);
        padding: 8px 12px;
        gap: 8px;
        flex-direction: column;
        z-index: 1001;
    }

    .appbar.open .nav {
        display: flex;
    }

    .nav__link {
        padding: 10px 12px;
        border-radius: 8px;
        border: 1px solid transparent;
    }

    .appbar__inner {
        display: grid;
        grid-template-columns: 1fr auto auto;
        align-items: center;
        gap: 8px;
        padding: 0 8px;
        min-height: var(--appbar-h);
    }

    .brand {
        min-width: 0;
    }

        .brand span {
            font-size: clamp(0.95rem, 3.8vw, 1.05rem);
        }
}

@media (max-width: 480px) {
    .appbar__inner {
        display: grid;
        grid-template-columns: 1fr auto auto;
        align-items: center;
        gap: 8px;
        min-height: var(--appbar-h);
    }

    .brand {
        min-width: 0;
    }

        .brand span {
            font-size: clamp(0.95rem, 3.6vw, 1rem);
            white-space: nowrap;
            overflow: visible;
            text-overflow: clip;
        }

    .brand__logo {
        height: 0.95em;
    }

    .appbar__menu-btn,
    .appbar__btn,
    .theme-toggle {
        display: grid;
        place-items: center;
        width: 34px;
        height: 34px;
        padding: 0;
        border-radius: 8px;
        background: var(--card);
        color: var(--text);
        border: 1px solid var(--btn-border);
        box-shadow: 0 1px 2px rgba(0,0,0,.05);
    }

        .theme-toggle .icon-moon, .theme-toggle .icon-sun {
            display: block;
            font-size: 18px;
            line-height: 1;
            margin: 0;
        }
}

@media (max-width: 360px) {
    .brand span {
        font-size: clamp(0.90rem, 4vw, 1.05rem);
        letter-spacing: -0.1px;
    }

    .appbar__menu-btn, .appbar__btn {
        width: 34px;
        height: 34px;
    }
}

@supports (appearance: none) {
    .appbar__menu-btn,
    .appbar__btn,
    .theme-toggle {
        border-width: .75px;
    }
}

.scrolltop {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 9999;
    font-size: 20px;
    border: none;
    outline: none;
    cursor: pointer;
    background: #1976d2;
    color: #fff;
    padding: 12px 16px;
    border-radius: 50%;
    box-shadow: 0 4px 6px rgba(0,0,0,.3);
    opacity: 0;
    transform: translateY(8px);
    pointer-events: none;
    transition: opacity .2s, transform .2s;
}

    .scrolltop.show {
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
    }

    .scrolltop:hover {
        background: #1565c0;
        transform: translateY(0) scale(1.08);
    }

.appbar__menu-btn .material-symbols-outlined,
.theme-toggle .material-symbols-outlined {
    font-size: 20px;
    line-height: 1;
}