:root {
    --ink: #17191c;
    --muted: #65707c;
    --line: #d9ded8;
    --soft: #f5f7f2;
    --white: #ffffff;
    --red: #d9232e;
    --green: #18a84f;
    --black: #060708;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    color: var(--ink);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.5;
    background: var(--soft);
}

a {
    color: var(--red);
}

code {
    padding: 2px 5px;
    border-radius: 4px;
    background: #eef1eb;
}

.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    min-height: 64px;
    padding: 0 24px;
    color: var(--white);
    background: var(--black);
}

.admin-brand {
    color: var(--white);
    font-weight: 800;
    text-decoration: none;
}

.admin-header nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
}

.admin-header nav a {
    padding: 8px 10px;
    border-radius: 4px;
    color: var(--white);
    font-size: 0.92rem;
    text-decoration: none;
}

.admin-header nav a.active,
.admin-header nav a:hover {
    background: rgba(255, 255, 255, 0.14);
}

.admin-main {
    width: min(1180px, calc(100% - 32px));
    margin: 28px auto 60px;
}

.admin-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
}

.admin-title h1,
.panel h2,
.install-card h1,
.login-card h1 {
    margin: 0;
    line-height: 1.2;
}

.muted {
    margin: 0 0 4px;
    color: var(--muted);
    font-size: 0.9rem;
}

.panel,
.login-card,
.install-card,
.stat-card {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 8px;
}

.panel {
    padding: 22px;
}

.install-wrap {
    display: grid;
    place-items: start center;
    min-height: 100vh;
    padding: 44px 16px;
}

.install-card,
.login-card {
    width: min(760px, 100%);
    padding: 28px;
}

.login-card {
    width: min(430px, 100%);
    margin: 60px auto;
}

.install-logo {
    width: 110px;
    height: 74px;
    object-fit: contain;
    margin-bottom: 18px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.form-grid h2 {
    grid-column: 1 / -1;
    margin: 16px 0 0;
    padding-top: 16px;
    border-top: 1px solid var(--line);
    font-size: 1.05rem;
}

.field {
    display: grid;
    gap: 6px;
}

.field--full {
    grid-column: 1 / -1;
}

.field span,
.check {
    color: #2e3338;
    font-weight: 700;
}

.field input,
.field textarea,
.field select {
    width: 100%;
    min-height: 42px;
    border: 1px solid var(--line);
    border-radius: 4px;
    padding: 9px 11px;
    color: var(--ink);
    background: var(--white);
    font: inherit;
}

.field textarea {
    resize: vertical;
}

.field small,
td small {
    display: block;
    color: var(--muted);
    margin-top: 4px;
}

.check {
    display: flex;
    align-items: center;
    gap: 8px;
    min-height: 42px;
}

.form-actions {
    display: flex;
    justify-content: flex-start;
    gap: 10px;
    margin-top: 8px;
}

.button,
button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    border: 1px solid var(--red);
    border-radius: 4px;
    padding: 9px 14px;
    color: var(--white);
    background: var(--red);
    font: inherit;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
}

.button--secondary {
    color: var(--ink);
    background: var(--white);
    border-color: var(--line);
}

.flash {
    margin-bottom: 16px;
    padding: 12px 14px;
    border-radius: 6px;
    border: 1px solid var(--line);
    background: var(--white);
}

.flash--success {
    border-color: #b7dfc8;
    background: #eef9f1;
}

.flash--error {
    border-color: #efb6b6;
    background: #fff1f1;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.stat-card {
    padding: 22px;
}

.stat-card strong {
    display: block;
    color: var(--red);
    font-size: 2.2rem;
    line-height: 1;
}

.stat-card span {
    color: var(--muted);
}

.quick-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 14px;
}

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

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

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

th {
    color: var(--muted);
    font-size: 0.85rem;
}

.actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.actions form {
    display: inline;
}

.actions button {
    min-height: 0;
    border: 0;
    padding: 0;
    color: var(--red);
    background: transparent;
    font-weight: 400;
}

.badge {
    display: inline-flex;
    align-items: center;
    margin-left: 8px;
    padding: 2px 7px;
    border-radius: 999px;
    color: #0c6b33;
    background: #e4f6ea;
    font-size: 0.78rem;
    font-weight: 700;
}

.badge--muted {
    color: #5f6874;
    background: #eef1eb;
}

.admin-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 18px;
}

.help-panel h2,
.help-panel h3 {
    margin: 0 0 10px;
}

.help-panel h3 {
    margin-top: 20px;
    font-size: 0.98rem;
}

.compact-list {
    display: grid;
    gap: 6px;
    max-height: 230px;
    overflow: auto;
    padding-left: 18px;
}

@media (max-width: 880px) {
    .admin-header {
        align-items: flex-start;
        flex-direction: column;
        padding: 14px 16px;
        gap: 10px;
    }

    .admin-header nav {
        width: 100%;
        gap: 4px;
    }

    .admin-header nav a {
        padding: 8px 10px;
        font-size: 0.82rem;
    }

    .form-grid,
    .stats-grid,
    .admin-layout {
        grid-template-columns: 1fr;
    }

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

    .admin-main {
        width: calc(100% - 24px);
        margin: 18px auto 40px;
    }
}

@media (max-width: 480px) {
    .admin-header nav a {
        font-size: 0.78rem;
        padding: 7px 8px;
    }

    .field input,
    .field textarea,
    .field select {
        font-size: 1rem; /* prevent iOS zoom */
    }

    .table-wrap {
        font-size: 0.88rem;
    }

    th, td {
        padding: 10px 8px;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
}