:root {
    color-scheme: light;
    --bg: #f4f6fa;
    --surface: #ffffff;
    --surface-soft: #f5f7fb;
    --text: #171d27;
    --muted: #687381;
    --line: #dde3eb;
    --primary: #f42525;
    --primary-dark: #d71920;
    --accent: #111827;
    --accent-dark: #000000;
    --danger: #b42318;
    --warning: #b76b00;
    --shadow: 0 22px 56px rgba(15, 23, 42, 0.13);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background:
        linear-gradient(180deg, #ffffff 0%, var(--bg) 45%, #eef2f7 100%);
    color: var(--text);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 16px;
    line-height: 1.5;
}

a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.topbar {
    align-items: center;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    border-top: 5px solid var(--primary);
    box-shadow: 0 8px 26px rgba(15, 23, 42, 0.07);
    display: flex;
    gap: 24px;
    justify-content: space-between;
    min-height: 82px;
    padding: 0 28px;
}

.brand {
    align-items: center;
    display: inline-flex;
    min-width: 230px;
}

.brand:hover {
    text-decoration: none;
}

.brand-logo {
    display: block;
    height: 58px;
    max-width: 260px;
    object-fit: contain;
    object-position: left center;
    width: auto;
}

.nav {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: flex-end;
}

.nav a,
.nav span {
    color: var(--muted);
    font-size: 14px;
}

.nav a.active {
    color: var(--accent);
    font-weight: 700;
    text-decoration: underline;
    text-decoration-color: var(--primary);
    text-decoration-thickness: 3px;
    text-underline-offset: 8px;
}

.page {
    margin: 0 auto;
    max-width: 1180px;
    padding: 32px 20px 48px;
}

.is-guest {
    background:
        linear-gradient(168deg, rgba(244, 37, 37, 0.96) 0%, rgba(147, 11, 23, 0.98) 37%, transparent 37.2%),
        linear-gradient(180deg, #ffffff 0%, #f4f6fa 58%, #eef2f7 100%);
}

.is-guest .page {
    max-width: none;
    padding: 0 16px;
}

.auth-page {
    display: grid;
    min-height: 100vh;
    place-items: center;
}

.auth-box {
    background: rgba(255, 255, 255, 0.97);
    border: 1px solid rgba(255, 255, 255, 0.75);
    border-radius: 8px;
    box-shadow: var(--shadow);
    max-width: 448px;
    overflow: hidden;
    padding: 32px 34px 34px;
    position: relative;
    width: 100%;
}

.auth-box::before {
    background: linear-gradient(90deg, var(--primary), #9b0b18);
    content: "";
    height: 5px;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
}

.auth-logo {
    display: block;
    height: auto;
    margin: 0 auto 24px;
    max-width: 280px;
    width: 82%;
}

.hero-row,
.section-head {
    align-items: flex-end;
    display: flex;
    gap: 18px;
    justify-content: space-between;
    margin-bottom: 20px;
}

h1,
h2,
h3 {
    line-height: 1.2;
    margin: 0;
}

h1 {
    font-size: 30px;
}

h2 {
    font-size: 22px;
}

h3 {
    font-size: 18px;
}

p {
    margin: 8px 0 0;
}

.muted {
    color: var(--muted);
}

.grid {
    display: grid;
    gap: 20px;
}

.gap-top {
    margin-top: 20px;
}

.form-offset {
    margin-top: 16px;
}

.grid.two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid.three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.panel,
.stat,
.empty {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.panel {
    padding: 24px;
}

.stat {
    border-left: 4px solid var(--primary);
    padding: 20px;
}

.stat strong {
    color: var(--primary);
    display: block;
    font-size: 30px;
}

.stat span {
    color: var(--muted);
    font-size: 14px;
}

.empty {
    color: var(--muted);
    padding: 28px;
    text-align: center;
}

form {
    margin: 0;
}

.form-grid {
    display: grid;
    gap: 16px;
}

.form-grid.two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

label {
    color: var(--muted);
    display: grid;
    font-size: 14px;
    gap: 6px;
}

.field-with-button {
    display: grid;
    gap: 8px;
    grid-template-columns: minmax(0, 1fr) auto;
}

.check-field {
    align-items: center;
    color: var(--text);
    display: flex;
    flex-direction: row;
    font-size: 14px;
    gap: 10px;
}

input,
select {
    appearance: none;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--text);
    font: inherit;
    min-height: 44px;
    padding: 10px 12px;
    width: 100%;
}

input[type="checkbox"] {
    accent-color: var(--primary);
    appearance: auto;
    min-height: auto;
    width: auto;
}

input.is-invalid {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(244, 37, 37, 0.16);
}

.field-error {
    color: var(--primary-dark);
    font-size: 13px;
    font-weight: 700;
}

input:focus,
select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(244, 37, 37, 0.14);
    outline: none;
}

.actions {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: flex-start;
    margin-top: 18px;
}

.button,
button {
    align-items: center;
    background: var(--primary);
    border: 0;
    border-radius: 8px;
    color: #fff;
    cursor: pointer;
    display: inline-flex;
    font: inherit;
    font-weight: 700;
    justify-content: center;
    min-height: 42px;
    padding: 10px 16px;
    text-decoration: none;
}

.button:hover,
button:hover {
    background: var(--primary-dark);
    text-decoration: none;
}

button:disabled {
    cursor: wait;
    opacity: 0.65;
}

.button.secondary,
button.secondary {
    background: var(--surface-soft);
    color: var(--accent);
}

.button.secondary:hover,
button.secondary:hover {
    background: #eaedf3;
}

.button.danger,
button.danger {
    background: var(--danger);
}

.button.danger:hover,
button.danger:hover {
    background: #8f1d14;
}

.button.warning,
button.warning {
    background: var(--warning);
}

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

table {
    border-collapse: collapse;
    min-width: 760px;
    width: 100%;
}

th,
td {
    border-bottom: 1px solid var(--line);
    padding: 13px 10px;
    text-align: left;
    vertical-align: middle;
}

th {
    background: #f8fafc;
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}

td form {
    display: inline-flex;
}

.inline-form {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.inline-form input {
    max-width: 190px;
}

.modal {
    background: var(--surface);
    border: 0;
    border-radius: 8px;
    box-shadow: 0 28px 80px rgba(15, 23, 42, 0.28);
    max-width: 520px;
    padding: 0;
    width: calc(100% - 32px);
}

.modal::backdrop {
    background: rgba(15, 23, 42, 0.58);
}

.modal-form {
    padding: 26px;
}

.modal:not([open]).is-open {
    display: block;
    inset: 50% auto auto 50%;
    position: fixed;
    transform: translate(-50%, -50%);
    z-index: 20;
}

.pill {
    background: #fff1f1;
    border-radius: 999px;
    color: var(--primary);
    display: inline-flex;
    font-size: 13px;
    padding: 4px 10px;
}

@media (max-width: 760px) {
    .topbar,
    .hero-row,
    .section-head {
        align-items: flex-start;
        flex-direction: column;
    }

    .topbar {
        padding: 16px 20px;
    }

    .brand {
        min-width: 0;
    }

    .brand-logo {
        height: 50px;
        max-width: 220px;
    }

    .nav {
        justify-content: flex-start;
    }

    .grid.two,
    .grid.three,
    .form-grid.two {
        grid-template-columns: 1fr;
    }

    .field-with-button {
        grid-template-columns: 1fr;
    }

    .page {
        padding: 24px 14px 36px;
    }

    .auth-box,
    .panel {
        padding: 20px;
    }

    .auth-logo {
        max-width: 240px;
        width: 88%;
    }
}