:root {
    --ink: #14212b;
    --ink-soft: #3d4f5c;
    --muted: #6b7c88;
    --line: #d7e0e7;
    --surface: rgba(255, 255, 255, 0.92);
    --surface-solid: #ffffff;
    --brand: #0b3d4a;
    --brand-deep: #062832;
    --accent: #c45c26;
    --accent-hover: #a94c1d;
    --ok: #1f6b4a;
    --ok-bg: #e8f6ef;
    --err: #9b1c1c;
    --err-bg: #fdecec;
    --radius: 12px;
    --shadow: 0 18px 50px rgba(10, 35, 45, 0.12);
    --font: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    --display: "Segoe UI Semibold", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

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

html, body {
    margin: 0;
    min-height: 100%;
    font-family: var(--font);
    color: var(--ink);
    background:
        radial-gradient(1200px 600px at 10% -10%, rgba(196, 92, 38, 0.14), transparent 55%),
        radial-gradient(900px 500px at 100% 0%, rgba(11, 61, 74, 0.16), transparent 50%),
        linear-gradient(180deg, #f3f7f9 0%, #e8eef2 100%);
}

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

h1, h2 {
    font-family: var(--display);
    letter-spacing: -0.02em;
    margin: 0 0 0.35rem;
}

h1 { font-size: clamp(1.6rem, 2.2vw, 2rem); }
h2 { font-size: 1.1rem; color: var(--brand-deep); }

.brand-mark {
    margin: 0;
    font-family: var(--display);
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--brand);
}

.auth-page {
    display: grid;
    place-items: center;
    min-height: 100vh;
    padding: 1.5rem;
}

.auth-shell {
    width: min(440px, 100%);
}

.auth-panel {
    background: var(--surface);
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: calc(var(--radius) + 4px);
    box-shadow: var(--shadow);
    padding: 2rem 1.75rem 1.75rem;
    backdrop-filter: blur(8px);
}

.auth-lede,
.page-lede {
    color: var(--ink-soft);
    line-height: 1.5;
    margin: 0 0 1.25rem;
}

.app-header {
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(10px);
    background: rgba(243, 247, 249, 0.85);
    border-bottom: 1px solid var(--line);
}

.app-header-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0.85rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.brand-lockup {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.brand-sub {
    font-size: 0.8rem;
    color: var(--muted);
}

.app-nav {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav-link {
    color: var(--ink-soft);
    font-weight: 600;
    padding: 0.35rem 0.5rem;
}

.nav-link.is-active,
.nav-link:hover {
    color: var(--brand);
}

.app-main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.75rem 1.25rem 3rem;
}

.app-footer {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.25rem 2rem;
    color: var(--muted);
    font-size: 0.85rem;
}

.page-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.stack-form,
.form-surface {
    display: grid;
    gap: 1rem;
}

.form-surface {
    background: var(--surface-solid);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.25rem;
    box-shadow: 0 8px 24px rgba(20, 33, 43, 0.04);
}

.form-section + .form-section {
    margin-top: 0.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--line);
}

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

.field {
    display: grid;
    gap: 0.35rem;
    font-size: 0.92rem;
}

.field span:first-child {
    font-weight: 600;
    color: var(--ink-soft);
}

.field-span-2 { grid-column: span 2; }

.field input,
.field select {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 0.7rem 0.8rem;
    font: inherit;
    color: var(--ink);
    background: #fff;
}

.field input:focus,
.field select:focus {
    outline: 2px solid rgba(11, 61, 74, 0.25);
    border-color: var(--brand);
}

.field input[readonly] {
    background: #f4f7f9;
    color: var(--muted);
}

.field-hint {
    font-size: 0.8rem;
    color: var(--muted);
}

.field-error {
    color: var(--err);
    font-size: 0.8rem;
}

.field-check {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    grid-template-columns: auto 1fr;
    padding-top: 1.6rem;
}

.field-check input {
    width: auto;
}

.feature-checks {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 1.5rem;
}

.feature-checks .field-check {
    padding-top: 0;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding-top: 0.5rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    border: 1px solid transparent;
    border-radius: 10px;
    padding: 0.65rem 1rem;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}

.btn:active { transform: translateY(1px); }

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

.btn-primary:hover { background: var(--accent-hover); color: #fff; }

.btn-secondary {
    background: #fff;
    border-color: var(--line);
    color: var(--brand);
}

.btn-secondary:hover { border-color: var(--brand); }

.btn-ghost {
    background: transparent;
    color: var(--ink-soft);
    border-color: transparent;
}

.btn-ghost:hover { color: var(--brand); background: rgba(11, 61, 74, 0.06); }

.btn-sm {
    padding: 0.4rem 0.7rem;
    font-size: 0.85rem;
}

.btn-block { width: 100%; }

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

.alert {
    border-radius: 10px;
    padding: 0.75rem 0.9rem;
    margin-bottom: 1rem;
    font-size: 0.92rem;
}

.alert-error {
    background: var(--err-bg);
    color: var(--err);
    border: 1px solid #f3c1c1;
}

.alert-success {
    background: var(--ok-bg);
    color: var(--ok);
    border: 1px solid #b7e0cb;
}

.table-wrap {
    overflow: auto;
    background: var(--surface-solid);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 8px 24px rgba(20, 33, 43, 0.04);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 720px;
}

.data-table th,
.data-table td {
    padding: 0.85rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--line);
    vertical-align: middle;
}

.data-table th {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--muted);
    background: #f7fafb;
}

.data-table tr:last-child td { border-bottom: none; }

.data-table code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.88rem;
    background: #eef4f7;
    padding: 0.15rem 0.4rem;
    border-radius: 6px;
}

.cell-url {
    max-width: 280px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--ink-soft);
    font-size: 0.9rem;
}

.cell-actions { text-align: right; width: 1%; white-space: nowrap; }

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
}

.badge-ok {
    background: var(--ok-bg);
    color: var(--ok);
}

.badge-muted {
    background: #eef1f4;
    color: var(--muted);
}

.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    background: var(--surface-solid);
    border: 1px dashed var(--line);
    border-radius: var(--radius);
}

.empty-state p {
    color: var(--ink-soft);
    margin: 0.5rem 0 1.25rem;
}

@media (max-width: 720px) {
    .page-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

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

    .field-span-2 { grid-column: auto; }

    .field-check { padding-top: 0; }

    .form-actions {
        flex-direction: column-reverse;
    }

    .form-actions .btn { width: 100%; }
}