:root {
    --arena-red: #d91f26;
    --arena-red-hover: #bd171d;
    --arena-text: #281d1d;
    --arena-muted: #806f6f;
    --arena-bg: #f8f6f4;
    --arena-surface: #ffffff;
    --arena-surface-muted: #f4eeee;
    --arena-border: #e8dada;
    --arena-border-strong: #d7c3c3;
    --arena-success: #18864b;
    --arena-warning: #c77a12;
    --arena-error: #c91d24;

    --arena-radius-xs: 8px;
    --arena-radius-sm: 14px;
    --arena-radius-md: 20px;
    --arena-radius-lg: 28px;

    --arena-shadow-card:
        0 16px 38px rgba(55, 33, 33, 0.07);

    --arena-shadow-button:
        0 8px 22px rgba(217, 31, 38, 0.16);
}

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

body {
    background: var(--arena-bg);
    color: var(--arena-text);
    font-family:
        Inter,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        Arial,
        sans-serif;
    font-size: 16px;
    line-height: 1.55;
}

/* Типографика */

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--arena-text);
    font-family:
        Inter,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        Arial,
        sans-serif;
    font-weight: 850;
    letter-spacing: -0.035em;
}

h1 {
    font-size: clamp(42px, 6vw, 72px);
    line-height: 1.02;
}

h2 {
    font-size: clamp(28px, 4vw, 42px);
    line-height: 1.08;
}

h3 {
    font-size: clamp(21px, 3vw, 28px);
    line-height: 1.15;
}

p {
    color: var(--arena-text);
}

.muted {
    color: var(--arena-muted) !important;
}

a {
    color: var(--arena-red);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

/* Основная ширина страниц */

main,
.container,
.page-container {
    width: min(1280px, calc(100% - 48px));
    margin-right: auto;
    margin-left: auto;
}

/* Карточки */

.card {
    border: 1px solid var(--arena-border) !important;
    border-radius: var(--arena-radius-md) !important;
    background: var(--arena-surface) !important;
    color: var(--arena-text) !important;
    box-shadow: var(--arena-shadow-card) !important;
}

.card.dark {
    border-color: var(--arena-text) !important;
    background: var(--arena-text) !important;
    color: #fff !important;
}

.card.dark h1,
.card.dark h2,
.card.dark h3,
.card.dark p,
.card.dark b {
    color: #fff;
}

.card.dark .muted {
    color: rgba(255, 255, 255, 0.7) !important;
}

/* Кнопки */

.button,
.btn,
button.button,
a.button {
    min-height: 46px;
    padding: 12px 19px;
    border: 1px solid var(--arena-red);
    border-radius: var(--arena-radius-sm);
    background: var(--arena-red);
    color: #fff;
    font-family: inherit;
    font-size: 15px;
    font-weight: 800;
    line-height: 1.2;
    text-decoration: none;
    box-shadow: var(--arena-shadow-button);
    transition:
        transform 150ms ease,
        background-color 150ms ease,
        border-color 150ms ease,
        box-shadow 150ms ease;
}

.button:hover,
.btn:hover,
button.button:hover,
a.button:hover {
    border-color: var(--arena-red-hover);
    background: var(--arena-red-hover);
    color: #fff;
    transform: translateY(-1px);
}

.button:active,
.btn:active {
    transform: translateY(0) scale(0.98);
}

.btn-secondary,
.button.secondary,
button.btn-secondary,
a.btn-secondary {
    border-color: var(--arena-border-strong);
    background: var(--arena-surface);
    color: var(--arena-text);
    box-shadow: none;
}

.btn-secondary:hover,
.button.secondary:hover,
button.btn-secondary:hover,
a.btn-secondary:hover {
    border-color: var(--arena-red);
    background: var(--arena-surface);
    color: var(--arena-red);
}

/* Формы */

input:not([type="checkbox"]):not([type="radio"]),
textarea,
select,
.form-control {
    min-height: 50px;
    padding: 13px 15px;
    border: 1px solid var(--arena-border-strong) !important;
    border-radius: var(--arena-radius-sm) !important;
    background: var(--arena-surface) !important;
    color: var(--arena-text) !important;
    font: inherit;
    box-shadow: none !important;
    outline: none;
    transition:
        border-color 150ms ease,
        box-shadow 150ms ease;
}

textarea {
    min-height: 120px;
    resize: vertical;
}

input:focus,
textarea:focus,
select:focus,
.form-control:focus {
    border-color: var(--arena-red) !important;
    box-shadow:
        0 0 0 3px rgba(217, 31, 38, 0.1) !important;
}

label {
    color: var(--arena-text);
    font-weight: 750;
}

/* Бейджи и статусы */

.badge,
.chip {
    display: inline-flex;
    min-height: 30px;
    align-items: center;
    padding: 6px 11px;
    border: 0;
    border-radius: 9999px;
    background: #f6eaea;
    color: var(--arena-red);
    font-size: 13px;
    font-weight: 750;
}

.chip.gray {
    background: var(--arena-surface-muted);
    color: var(--arena-muted);
}

/* Заголовки страниц */

.section-title {
    gap: 24px;
    margin-bottom: 28px;
}

.section-title h1,
.section-title h2 {
    margin-bottom: 8px;
}

.eyebrow,
.red-eyebrow {
    color: var(--arena-red) !important;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

/* Таблицы */

.table-wrap {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th {
    padding: 14px 16px;
    border-bottom: 1px solid var(--arena-border);
    background: var(--arena-surface-muted);
    color: var(--arena-muted);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.03em;
    text-align: left;
    text-transform: uppercase;
}

.table td {
    padding: 16px;
    border-bottom: 1px solid var(--arena-border);
    color: var(--arena-text);
}

.table tbody tr {
    transition: background-color 140ms ease;
}

.table tbody tr:hover {
    background: #fcf8f8;
}

/* Результаты и статистика */

.metric {
    color: var(--arena-red);
    font-size: clamp(34px, 5vw, 52px);
    font-weight: 900;
    letter-spacing: -0.045em;
}

.score-row {
    gap: 18px;
    padding: 15px 0;
    border-bottom: 1px solid var(--arena-border);
}

.score-row:last-child {
    border-bottom: 0;
}

.notice {
    border: 1px solid #efcccc;
    border-radius: var(--arena-radius-sm);
    background: #fff4f4;
    color: var(--arena-text);
}

.locked {
    border: 1px solid var(--arena-border);
    border-radius: var(--arena-radius-sm);
    background: var(--arena-surface-muted);
    color: var(--arena-text);
}

/* Фотографии */

img {
    max-width: 100%;
}

.review-attachment,
.result-attachment-card,
.selected-file-card {
    border-color: var(--arena-border) !important;
    border-radius: var(--arena-radius-sm) !important;
    background: var(--arena-surface) !important;
}

/* Навигация */

header,
.site-header,
.main-header {
    border-bottom: 1px solid var(--arena-border);
    background: rgba(255, 255, 255, 0.96);
}

nav a {
    color: var(--arena-text);
    font-weight: 700;
    text-decoration: none;
}

nav a:hover {
    color: var(--arena-red);
}

/* Скроллбар */

* {
    scrollbar-color:
        var(--arena-border-strong)
        var(--arena-bg);
}

*::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

*::-webkit-scrollbar-track {
    background: var(--arena-bg);
}

*::-webkit-scrollbar-thumb {
    border: 2px solid var(--arena-bg);
    border-radius: 9999px;
    background: var(--arena-border-strong);
}

/* Телефон */

@media (max-width: 720px) {
    main,
    .container,
    .page-container {
        width: min(100% - 28px, 1280px);
    }

    h1 {
        font-size: 42px;
    }

    h2 {
        font-size: 30px;
    }

    .card {
        border-radius: 18px !important;
    }

    .section-title {
        align-items: flex-start;
        flex-direction: column;
    }

    .button,
    .btn,
    a.button,
    button.button {
        min-height: 48px;
    }

    .table thead {
        display: none;
    }

    .table,
    .table tbody,
    .table tr,
    .table td {
        display: block;
        width: 100%;
    }

    .table tr {
        padding: 14px 0;
        border-bottom: 1px solid var(--arena-border);
    }

    .table td {
        padding: 7px 0;
        border: 0;
    }
}