:root {
    --bg: #f5f7fb;
    --panel: #ffffff;
    --ink: #152033;
    --muted: #667085;
    --line: #d8dee9;
    --accent: #1769e0;
    --accent-dark: #0f4fb0;
    --success: #147d4c;
    --danger: #b42318;
    --shadow: 0 12px 30px rgba(21, 32, 51, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 15px;
    line-height: 1.45;
}

a {
    color: inherit;
    text-decoration: none;
}

.app-shell {
    min-height: 100vh;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 72px;
    padding: 0 28px;
    background: #fff;
    border-bottom: 1px solid var(--line);
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 240px;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border-radius: 8px;
    background: var(--ink);
    color: #fff;
    font-weight: 800;
    letter-spacing: 0;
}

.brand strong,
.brand small {
    display: block;
}

.brand small,
.module-row small,
.page-head p {
    color: var(--muted);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 6px;
}

.main-nav a,
.user-box a,
.button,
button {
    border-radius: 7px;
    padding: 10px 13px;
    font-size: 14px;
    font-weight: 650;
}

.main-nav a:hover,
.user-box a:hover {
    background: #eef3fb;
}

.user-box {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--muted);
}

.main {
    width: 100%;
    margin: 0;
    padding: 18px;
}

.workbench {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 18px;
    min-height: calc(100vh - 108px);
}

.side-menu {
    align-self: start;
    position: sticky;
    top: 18px;
    display: grid;
    gap: 6px;
    padding: 14px;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
}

.side-menu strong {
    padding: 8px 10px;
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
}

.side-menu a {
    border-radius: 7px;
    padding: 10px;
    font-weight: 700;
}

.side-menu a:hover,
.side-menu a.active {
    background: #eef3fb;
    color: var(--accent-dark);
}

.work-area {
    min-width: 0;
}

.page-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 16px;
}

h1,
h2,
p {
    margin-top: 0;
}

h1 {
    margin-bottom: 6px;
    font-size: 30px;
    line-height: 1.15;
}

h2 {
    margin-bottom: 18px;
    font-size: 18px;
}

.split-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.panel,
.form-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 18px;
}

.status-list {
    display: grid;
    gap: 10px;
    padding: 0;
    margin: 0;
    list-style: none;
}

.status-list li,
.module-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 13px 0;
    border-bottom: 1px solid var(--line);
}

.status-list li:last-child,
.module-row:last-child {
    border-bottom: 0;
}

.status-list span,
.module-row small {
    color: var(--muted);
}

.module-row strong,
.module-row small {
    display: block;
}

.module-row em {
    color: var(--accent);
    font-style: normal;
    font-weight: 700;
    white-space: nowrap;
}

.module-row.disabled {
    cursor: default;
    opacity: 0.62;
}

.auth-panel {
    width: min(460px, 100%);
    margin: 68px auto;
}

.auth-panel p {
    color: var(--muted);
}

.form-card,
.settings-form,
.form-grid,
.tool-form {
    display: grid;
    gap: 16px;
}

label {
    display: grid;
    gap: 7px;
    color: #344054;
    font-size: 13px;
    font-weight: 700;
}

input,
textarea,
select {
    width: 100%;
    border: 1px solid #cbd5e1;
    border-radius: 7px;
    padding: 11px 12px;
    color: var(--ink);
    font: inherit;
    background: #fff;
}

textarea {
    resize: vertical;
}

input:focus,
textarea:focus,
select:focus {
    border-color: var(--accent);
    outline: 3px solid rgba(23, 105, 224, 0.14);
}

button,
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    background: var(--accent);
    color: #fff;
    cursor: pointer;
}

button:hover,
.button:hover {
    background: var(--accent-dark);
}

.button.secondary {
    border: 1px solid var(--line);
    background: #fff;
    color: var(--ink);
}

.button.secondary:hover {
    background: #eef3fb;
}

.notice {
    margin-bottom: 16px;
    border-radius: 8px;
    padding: 12px 14px;
    font-weight: 700;
}

.notice.error {
    background: #fef3f2;
    color: var(--danger);
}

.notice.success {
    background: #ecfdf3;
    color: var(--success);
}

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

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

.form-grid .wide,
.form-grid label:nth-child(3) {
    grid-column: 1 / -1;
}

.check-row {
    display: flex;
    grid-column: 1 / -1;
    align-items: center;
    gap: 9px;
}

.check-row input {
    width: auto;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 16px;
}

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

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

th,
td {
    padding: 11px 0;
    border-bottom: 1px solid var(--line);
    text-align: left;
}

th {
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
}

td {
    font-size: 14px;
}

pre {
    overflow-x: auto;
    margin: 10px 0 0;
    max-height: 260px;
    padding: 10px;
    background: #f8fafc;
    border: 1px solid var(--line);
    border-radius: 7px;
    font-size: 12px;
}

.check-row.compact {
    grid-column: auto;
}

.inline-form {
    display: inline;
}

.module-locks {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.module-locks .button {
    padding: 7px 9px;
    font-size: 12px;
}

.api-patterns {
    margin-top: 18px;
}

.pattern-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.pattern-grid strong,
.pattern-grid code {
    display: block;
    margin-bottom: 8px;
}

.source-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 14px;
    margin-bottom: 18px;
}

.source-card {
    display: grid;
    gap: 8px;
    padding: 18px;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
}

.source-card.active,
.source-card:hover {
    border-color: var(--accent);
}

.source-card span {
    color: var(--muted);
    font-weight: 700;
}

.settings-block {
    display: grid;
    gap: 12px;
    margin-bottom: 18px;
}

.settings-block-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 16px;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
}

.settings-block-head h2 {
    margin: 0;
}

.state-ok,
.state-error {
    border-radius: 999px;
    padding: 5px 9px;
    font-size: 12px;
    font-weight: 800;
}

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

.state-ok {
    background: #ecfdf3;
    color: var(--success);
}

.state-error {
    background: #fef3f2;
    color: var(--danger);
}

input[readonly],
textarea[readonly] {
    background: #f8fafc;
}

@media (max-width: 780px) {
    .topbar,
    .page-head,
    .user-box {
        align-items: stretch;
        flex-direction: column;
    }

    .topbar {
        padding: 16px;
    }

    .main-nav {
        flex-wrap: wrap;
    }

    .main {
        padding: 12px;
    }

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

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

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