:root {
    --black: #0f1219;
    --white: #ffffff;
    --bg: #141820;
    --surface: #1a2030;
    --surface-alt: #232a3a;
    --border: #3d4658;
    --border-light: #525d73;
    --text: #eef2f8;
    --text-secondary: #a9b4c9;
    --accent: #7eb0e8;
    --accent-dim: rgba(126, 176, 232, 0.14);
    --link: #8ec0ff;
    --link-hover: #b3d4ff;
    --danger: #e88888;
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    --mono: ui-monospace, "Cascadia Code", "Segoe UI Mono", Consolas, monospace;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    margin: 0;
    font-family: var(--font);
    font-size: 14px;
    line-height: 1.5;
    color: var(--text);
    background: var(--bg);
    min-height: 100vh;
}

a {
    color: inherit;
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
}

a:hover {
    text-decoration-thickness: 2px;
}

/* ——— Login ——— */

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px 20px;
    background: var(--bg);
}

.auth-card {
    width: 100%;
    max-width: 380px;
    padding: 40px 36px;
    background: var(--surface);
    border: 1px solid var(--border);
}

.brand {
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border);
}

.brand-mark {
    display: block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.brand h1 {
    margin: 0;
    font-size: 22px;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.brand p {
    margin: 8px 0 0;
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.55;
}

/* ——— Top bar ——— */

.topbar {
    border-bottom: 1px solid var(--border);
    background: var(--bg);
}

.topbar-inner {
    width: 100%;
    padding: 14px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.topbar-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.topbar-nav .btn.is-active {
    border-color: var(--accent);
    background: var(--accent-dim);
    color: var(--text);
}

.topbar-nav .btn.is-active:hover {
    background: var(--accent-dim);
    color: var(--text);
}

.brand-inline {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.brand-inline span {
    color: var(--text-secondary);
    font-weight: 400;
}

.brand-inline span::before {
    content: "/";
    margin: 0 8px;
    color: var(--text-secondary);
    font-weight: 300;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-badge {
    font-family: var(--mono);
    font-size: 12px;
    color: var(--text-secondary);
}

/* ——— Layout ——— */

.container {
    width: 100%;
    padding: 32px 24px 64px;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 24px;
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border);
}

.page-header h1 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.page-header p {
    margin: 6px 0 0;
    color: var(--text-secondary);
    font-size: 13px;
}

/* ——— Cards / sections ——— */

.card {
    border: 1px solid var(--border);
    margin-bottom: 24px;
    background: var(--surface);
}

.card > h2,
.card-header h2 {
    margin: 0;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.card > h2 {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    background: var(--surface-alt);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    background: var(--surface-alt);
}

.card .form,
.card .table-wrap,
.card .empty-state,
.card .info-list,
.gateway-preview {
    padding: 20px;
}

.gateway-preview .form {
    padding: 0;
    margin-top: 12px;
}

.count-badge {
    font-family: var(--mono);
    font-size: 12px;
    color: var(--text-secondary);
}

/* ——— Forms ——— */

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

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

.form-grid-paired {
    align-items: start;
}

.form-grid-paired .form-field-top {
    align-self: start;
}

.form label {
    display: grid;
    gap: 6px;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

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

input[type="text"],
input[type="password"],
input[type="url"],
input[type="file"] {
    width: 100%;
    padding: 9px 11px;
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--text);
    font: 14px var(--font);
    border-radius: 0;
    transition: border-color 0.1s;
}

input::placeholder {
    color: var(--text-secondary);
}

input:hover {
    border-color: var(--border-light);
}

input:focus {
    outline: none;
    border-color: var(--accent);
}

.hint {
    font-size: 12px;
    font-weight: 400;
    letter-spacing: 0;
    text-transform: none;
    color: var(--text-secondary);
    line-height: 1.45;
}

.form-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    padding-top: 4px;
}

/* ——— Buttons ——— */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 14px;
    border: 1px solid var(--white);
    background: transparent;
    color: var(--white);
    font: 13px var(--font);
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    border-radius: 0;
    transition: background 0.1s, color 0.1s;
}

.btn:hover {
    background: var(--white);
    color: var(--black);
    text-decoration: none;
}

.btn-primary {
    background: var(--white);
    color: var(--black);
}

.btn-primary:hover {
    background: var(--text-secondary);
    border-color: var(--text-secondary);
    color: var(--black);
}

.btn-secondary {
    border-color: var(--border-light);
    color: var(--text);
}

.btn-secondary:hover {
    background: var(--surface-alt);
    color: var(--white);
    border-color: var(--white);
}

.btn-danger {
    border-color: var(--border-light);
    color: var(--text-secondary);
}

.btn-danger:hover {
    background: var(--white);
    color: var(--black);
    border-color: var(--white);
}

.btn-sm {
    padding: 5px 10px;
    font-size: 12px;
}

/* ——— Alerts ——— */

.alert {
    padding: 11px 14px;
    margin-bottom: 20px;
    border: 1px solid var(--border);
    font-size: 13px;
    background: var(--surface);
    color: var(--text);
}

.alert-error {
    border-left: 3px solid var(--danger);
}

.alert-success {
    border-left: 3px solid var(--accent);
}

/* ——— Table ——— */

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

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

th,
td {
    padding: 11px 12px;
    text-align: left;
    vertical-align: middle;
    border-bottom: 1px solid var(--border);
}

th {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-secondary);
    background: var(--surface-alt);
}

tbody tr:last-child td {
    border-bottom: none;
}

tbody tr:hover td {
    background: var(--surface-alt);
}

.mono {
    font-family: var(--mono);
    font-size: 12px;
}

.truncate {
    max-width: 32rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.actions {
    display: flex;
    gap: 6px;
    align-items: center;
    white-space: nowrap;
}

.inline-form {
    display: inline;
    margin: 0;
}

/* ——— Misc ——— */

.empty-state {
    margin: 0;
    color: var(--text-secondary);
    font-size: 13px;
}

.gateway-preview strong {
    display: block;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.gateway-preview code {
    display: block;
    padding: 10px 12px;
    background: var(--bg);
    border: 1px solid var(--border);
    font-family: var(--mono);
    font-size: 12px;
    word-break: break-all;
    line-height: 1.5;
    color: var(--text);
}

.gateway-preview .form {
    padding: 0;
    margin-top: 12px;
}

.info-card .info-list {
    margin: 0;
    padding: 20px 20px 20px 36px;
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.6;
}

.info-list li + li {
    margin-top: 6px;
}

.info-list strong {
    color: var(--text);
    font-weight: 600;
}

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

.status-badge {
    display: inline-block;
    padding: 2px 8px;
    border: 1px solid var(--border);
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.status-pass {
    border-color: var(--accent);
    color: var(--accent);
}

.status-fail {
    border-color: var(--border-light);
    color: var(--text-secondary);
}

.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 0;
    padding: 20px;
}

.detail-grid .full-width {
    grid-column: 1 / -1;
}

.detail-grid dt {
    margin: 0 0 6px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.detail-grid dd {
    margin: 0;
    font-size: 13px;
    line-height: 1.5;
    word-break: break-all;
}

.card-header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.log-filters {
    padding: 16px 20px 20px;
    display: grid;
    gap: 16px;
    border-bottom: 1px solid var(--border);
}

.log-filter-group {
    display: grid;
    gap: 8px;
}

.log-filter-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.log-filter-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.log-filter-links .count-badge {
    margin-left: 4px;
}

@media (max-width: 720px) {
    .form-grid {
        grid-template-columns: 1fr;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .actions {
        flex-direction: column;
        align-items: stretch;
    }

    .auth-card {
        padding: 28px 24px;
    }

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