:root {
    color-scheme: dark;
    --bg: #080b12;
    --bg-soft: #0d1220;
    --card: #111827;
    --card-2: #151f32;
    --border: #263349;
    --border-strong: #385171;
    --text: #e6edf7;
    --muted: #9aa8bd;
    --muted-2: #738199;
    --accent: #69a7ff;
    --accent-strong: #2f81f7;
    --accent-soft: rgba(47, 129, 247, .16);
    --danger: #ff6b7a;
    --danger-soft: rgba(255, 107, 122, .12);
    --success: #5ee0a0;
    --shadow: 0 18px 50px rgba(0, 0, 0, .35);
    --radius: 16px;
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
    background: var(--bg);
}

body {
    min-height: 100%;
    margin: 0;
    background:
        radial-gradient(circle at 15% -10%, rgba(47, 129, 247, .28), transparent 34%),
        radial-gradient(circle at 85% 0%, rgba(94, 224, 160, .12), transparent 28%),
        linear-gradient(180deg, #0a1020 0%, #080b12 54%, #07080d 100%);
    color: var(--text);
    font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
}

.page {
    max-width: 1220px;
    margin: 0 auto;
    padding: 28px;
}

.header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 18px;
}

.eyebrow {
    margin: 0 0 8px;
    color: var(--accent);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
}

h1, h2, h3 {
    color: var(--text);
    margin: 0 0 8px;
    line-height: 1.15;
}

h1 {
    font-size: 32px;
    letter-spacing: -0.04em;
}

h2 {
    font-size: 20px;
    letter-spacing: -0.02em;
}

h3 {
    font-size: 14px;
}

p {
    margin: 0;
    color: var(--muted);
}

.card {
    background: linear-gradient(180deg, rgba(17, 24, 39, .96), rgba(13, 18, 32, .96));
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    box-shadow: var(--shadow);
}

.action-card {
    position: sticky;
    top: 0;
    z-index: 5;
    backdrop-filter: blur(14px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
    min-height: 78px;
    padding: 16px 22px;
}

.grid {
    display: grid;
    grid-template-columns: 330px 1fr;
    gap: 18px;
    margin-top: 18px;
    align-items: start;
}

.rules-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.rule-item {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 11px;
    text-align: left;
    background: rgba(255, 255, 255, .035);
    color: var(--text);
    cursor: pointer;
    transition: border-color .16s ease, background .16s ease, transform .16s ease;
}

.rule-item:hover {
    border-color: var(--border-strong);
    background: rgba(255, 255, 255, .055);
    transform: translateY(-1px);
}

.rule-item.active {
    border-color: var(--accent);
    background: var(--accent-soft);
}

.rule-title {
    font-weight: 800;
}

.rule-meta {
    margin-top: 4px;
    color: var(--muted);
    font-size: 12px;
    word-break: break-all;
}

label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 14px;
    color: var(--text);
    font-weight: 700;
}

small {
    color: var(--muted);
    font-weight: 400;
}

input[type="text"], input[type="number"], select, textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 11px;
    font: inherit;
    background: #0b1020;
    color: var(--text);
    outline: none;
    transition: border-color .16s ease, box-shadow .16s ease, background .16s ease;
}

input[type="text"]:focus, input[type="number"]:focus, select:focus, textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(47, 129, 247, .18);
    background: #0d1428;
}

input::placeholder, textarea::placeholder {
    color: var(--muted-2);
}

input[type="checkbox"] {
    width: 17px;
    height: 17px;
    accent-color: var(--accent-strong);
}

textarea {
    resize: vertical;
    font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
}

fieldset {
    margin: 0 0 14px;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: rgba(255, 255, 255, .02);
}

legend {
    padding: 0 6px;
    color: var(--text);
    font-weight: 850;
}

.row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
}

.row-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
}

.action-card .row-actions {
    flex: 1 1 auto;
}

.action-card .autosave-toggle {
    margin-left: auto;
}

.action-card .primary {
    margin-left: 0;
}

.checkline, .toggle {
    display: inline-flex;
    flex-direction: row;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
    font-weight: 750;
}

.switch-card {
    flex-shrink: 0;
    margin: 0;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: rgba(17, 24, 39, .86);
    box-shadow: 0 12px 40px rgba(0, 0, 0, .28);
}

.autosave-toggle {
    flex-shrink: 0;
    margin-bottom: 0;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: rgba(255, 255, 255, .035);
}

button {
    border: 1px solid var(--border-strong);
    border-radius: 12px;
    background: #101827;
    color: var(--text);
    padding: 10px 13px;
    font: inherit;
    font-weight: 800;
    cursor: pointer;
    transition: transform .16s ease, border-color .16s ease, background .16s ease;
}

button:hover {
    border-color: var(--accent);
    background: #162237;
    transform: translateY(-1px);
}

button:disabled,
button:disabled:hover {
    cursor: not-allowed;
    opacity: .48;
    transform: none;
    border-color: var(--border);
    background: #101827;
}

button.primary {
    border-color: var(--accent-strong);
    background: linear-gradient(180deg, #2f81f7, #1f6feb);
    color: #fff;
}

button.primary:hover {
    background: linear-gradient(180deg, #4b97ff, #2f81f7);
}

button.primary:disabled,
button.primary:disabled:hover {
    border-color: var(--border-strong);
    background: #172033;
    color: var(--muted);
}

button.danger {
    border-color: rgba(255, 107, 122, .65);
    background: var(--danger-soft);
    color: var(--danger);
}

.toast-container {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 50;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
    width: min(380px, calc(100vw - 40px));
    pointer-events: none;
}

.toast {
    width: fit-content;
    max-width: 100%;
    padding: 12px 14px;
    border: 1px solid rgba(94, 224, 160, .42);
    border-radius: 12px;
    background: rgba(12, 19, 32, .96);
    box-shadow: 0 16px 42px rgba(0, 0, 0, .42);
    color: var(--success);
    font-weight: 850;
    overflow-wrap: anywhere;
    animation: toast-in .18s ease-out;
    pointer-events: auto;
}

.toast.leaving {
    animation: toast-out .24s ease-in forwards;
}

@keyframes toast-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes toast-out {
    to {
        opacity: 0;
        transform: translateY(10px);
    }
}

code {
    background: rgba(105, 167, 255, .12);
    border: 1px solid rgba(105, 167, 255, .16);
    border-radius: 6px;
    color: #cfe3ff;
    padding: 1px 5px;
}

pre {
    margin: 10px 0 0;
    padding: 12px;
    overflow: auto;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #070b14;
    color: var(--text);
}

pre code {
    padding: 0;
    border: 0;
    background: transparent;
}

.hidden {
    display: none;
}

details.guide-card {
    margin-top: 18px;
    padding: 0;
}

details.guide-card[open] {
    padding-bottom: 18px;
}

.guide-header, .section-summary {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 16px;
}

.section-summary {
    justify-content: flex-start;
    margin-bottom: 0;
    padding: 18px;
    list-style: none;
}

.section-summary::-webkit-details-marker {
    display: none;
}

.section-summary > div {
    flex: 1 1 auto;
    min-width: 0;
}

.section-summary::before {
    content: "▸";
    display: grid;
    place-items: center;
    flex: 0 0 24px;
    width: 24px;
    height: 24px;
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--accent);
    transition: transform .16s ease;
}

details[open] > .section-summary::before {
    transform: rotate(90deg);
}

.section-body {
    border-top: 1px solid var(--border);
    padding: 18px 18px 0;
}

.guide-badge {
    flex-shrink: 0;
    max-width: 260px;
    padding: 9px 11px;
    border: 1px solid rgba(94, 224, 160, .3);
    border-radius: 999px;
    background: rgba(94, 224, 160, .1);
    color: #b9f7d6;
    font-size: 12px;
    font-weight: 850;
}

.section-summary > .guide-badge {
    margin-left: auto;
}

.autosave-active .save-reminder {
    display: none;
}

.steps {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 14px;
}

.step {
    display: flex;
    gap: 10px;
    min-height: 128px;
    padding: 13px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: rgba(255, 255, 255, .03);
}

.step-num {
    display: grid;
    place-items: center;
    flex: 0 0 28px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--accent-soft);
    color: var(--accent);
    font-weight: 900;
}

.step strong {
    display: block;
    margin-bottom: 4px;
    color: var(--text);
}

.step p {
    font-size: 13px;
}

details {
    border: 1px solid var(--border);
    border-radius: 14px;
    background: rgba(255, 255, 255, .025);
    margin-top: 10px;
    overflow: hidden;
}

summary {
    padding: 13px 14px;
    color: var(--text);
    font-weight: 850;
    cursor: pointer;
    user-select: none;
}

summary:hover {
    background: rgba(255, 255, 255, .035);
}

.details-body {
    border-top: 1px solid var(--border);
    padding: 14px;
}

.guide-columns {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.field-help {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 10px 16px;
    margin: 0;
}

.field-help dt {
    color: var(--text);
    font-weight: 850;
}

.field-help dd {
    margin: 0;
    color: var(--muted);
}

.troubleshooting {
    margin: 0;
    padding-left: 20px;
    color: var(--muted);
}

.troubleshooting li + li {
    margin-top: 8px;
}

@media (max-width: 980px) {
    .grid, .steps, .guide-columns, .field-help {
        grid-template-columns: 1fr;
    }

    .header, .guide-header {
        flex-direction: column;
    }

    .switch-card, .guide-badge {
        max-width: none;
    }

    .action-card, .log-summary {
        align-items: stretch;
    }

    .action-card .autosave-toggle,
    .action-card .primary {
        margin-left: 0;
    }

    .toast-container {
        right: 14px;
        bottom: 14px;
        width: calc(100vw - 28px);
    }
}

details.log-card {
    border-color: rgba(85, 151, 255, .34);
    margin-top: 18px;
    padding: 0;
}

details.log-card[open] {
    padding-bottom: 18px;
}

.log-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.log-summary-main {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
    flex: 1 1 auto;
}

.log-title {
    color: var(--text);
    font-size: 20px;
    font-weight: 850;
    line-height: 1.15;
}

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

.log-body {
    border-top: 1px solid var(--border);
    padding: 18px 18px 0;
}

.debug-log {
    width: 100%;
    min-height: 260px;
    margin-top: 12px;
    resize: vertical;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
    font-size: 12px;
    line-height: 1.45;
    white-space: pre;
}