:root {
    --bg: #eef4ff;
    --bg-soft: #ffffff;
    --panel: rgba(255, 255, 255, 0.96);
    --panel-border: #cfd8e6;
    --text: #0f172a;
    --muted: #52607a;
    --accent: #0f62fe;
    --accent-dark: #0043ce;
    --accent-soft: #dbe8ff;
    --secondary: #ff7a59;
    --secondary-soft: #ffe2da;
    --button-text: #ffffff;
    --success: #15803d;
    --error: #b91c1c;
    --shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
    --shadow-soft: 0 4px 12px rgba(15, 23, 42, 0.05);
    --radius: 0px;
}

* {
    box-sizing: border-box;
}

html {
    color-scheme: light;
}

body {
    margin: 0;
    font-family: "Avenir Next", "Helvetica Neue", "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(15, 98, 254, 0.12), transparent 26%),
        radial-gradient(circle at top right, rgba(255, 122, 89, 0.12), transparent 24%),
        linear-gradient(180deg, #f8fbff 0%, #eef4ff 100%);
}

code {
    background: #edf3ff;
    border: 1px solid #cfd8e6;
    border-radius: 0;
    padding: 0.15rem 0.4rem;
}

pre {
    overflow: auto;
    background: #f7faff;
    border: 1px solid #d6dfec;
    border-radius: 0;
    padding: 14px;
    font-size: 0.92rem;
    white-space: pre-wrap;
    word-break: break-word;
}

.page {
    min-height: 100vh;
    padding: 40px 16px 72px;
}

.shell {
    max-width: 980px;
    margin: 0 auto;
    display: grid;
    gap: 18px;
}

.hero,
.panel {
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.hero {
    padding: 32px;
    display: flex;
    justify-content: space-between;
    gap: 24px;
    align-items: flex-start;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 0;
    background: var(--accent-soft);
    border: 1px solid #bfd2ff;
    color: #1e3a8a;
    font-size: 0.88rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.logo {
    max-height: 64px;
    width: auto;
    display: block;
    margin-bottom: 16px;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1,
h2,
h3,
strong,
.field,
.button,
.ghost-link,
.badge,
.details-card summary {
    font-family: "Avenir Next", "Helvetica Neue", "Segoe UI", sans-serif;
}

h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 14px;
}

h2 {
    font-size: 1.45rem;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 0.75rem;
}

h3 {
    font-size: 1rem;
    letter-spacing: -0.01em;
}

p {
    color: var(--muted);
    line-height: 1.6;
}

.ghost-link {
    color: var(--accent-dark);
    text-decoration: none;
    font-weight: 600;
}

.ghost-link:hover {
    color: var(--secondary);
}

.hero-links {
    display: flex;
    gap: 18px;
    align-items: center;
    flex-wrap: wrap;
}

.steps {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    padding: 0;
    margin: 0;
}

.steps li {
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid #d8e1ef;
    border-radius: 0;
    padding: 14px 16px;
    color: var(--muted);
    font-size: 0.95rem;
}

.steps li.is-active {
    background: linear-gradient(90deg, #eef4ff 0%, #ffffff 100%);
    color: var(--text);
    border-color: #8fb2ff;
    border-left: 4px solid var(--accent);
    box-shadow: var(--shadow-soft);
    font-weight: 700;
}

.steps li.is-complete {
    background: #f0fdf4;
    color: var(--success);
    border-color: #bbf7d0;
    border-left: 4px solid var(--success);
}

.wizard-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.step-number {
    display: inline-block;
    min-width: 2rem;
    font-weight: 700;
}

.panel {
    padding: 28px;
}

.panel-demo,
.panel-error,
.panel-success {
    font-size: 0.98rem;
}

.panel-demo {
    background: #f7faff;
}

.panel-error {
    border-color: #fecaca;
    background: #fef2f2;
    color: var(--error);
    border-left: 4px solid var(--error);
}

.panel-success {
    border-color: #bbf7d0;
    background: #f0fdf4;
    border-left: 4px solid var(--success);
}

.stack {
    display: grid;
    gap: 18px;
}

.field {
    display: grid;
    gap: 8px;
    font-weight: 600;
}

.field span,
.field label {
    color: var(--text);
}

.field input,
.field textarea,
.field select {
    width: 100%;
    border: 1px solid #d1d5db;
    border-radius: 0;
    padding: 13px 15px;
    font: inherit;
    color: var(--text);
    background: #ffffff;
    transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
    outline: none;
    border-color: #9ca3af;
    box-shadow: 0 0 0 4px rgba(148, 163, 184, 0.16);
}

.field textarea {
    min-height: 124px;
    resize: vertical;
}

.field-small {
    max-width: 140px;
}

.button {
    appearance: none;
    border: 0;
    border-radius: 0;
    padding: 14px 20px;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
    color: var(--button-text);
    background: linear-gradient(90deg, var(--accent) 0%, var(--secondary) 100%);
    box-shadow: 0 10px 18px rgba(15, 98, 254, 0.16);
    transition: transform 0.16s ease, opacity 0.16s ease, background 0.16s ease;
}

.button:hover {
    transform: translateY(-1px);
    background: var(--accent-dark);
}

.button-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text);
    background: #ffffff;
    border: 1px solid #d1d5db;
    box-shadow: none;
}

.button-secondary:hover {
    background: #f8fafc;
}

.button:disabled {
    cursor: not-allowed;
    opacity: 0.5;
    transform: none;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin: 0 0 24px;
}

.summary-grid div {
    padding: 16px;
    background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
    border: 1px solid #dbe3f0;
    border-radius: 0;
}

.summary-grid dt {
    color: var(--muted);
    font-size: 0.92rem;
    margin-bottom: 6px;
}

.summary-grid dd {
    margin: 0;
    font-weight: 700;
}

.items-list {
    display: grid;
    gap: 16px;
}

.items-list.compact {
    margin-bottom: 22px;
}

.item-card {
    border-radius: 0;
    padding: 20px;
    border: 1px solid #d6dfec;
    background: #ffffff;
}

.item-card--allowed {
    background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.item-card--disabled {
    background: #f5f7fb;
    opacity: 0.88;
}

.item-card--selected {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.item-main {
    display: flex;
    gap: 20px;
    justify-content: space-between;
    align-items: center;
}

.item-meta h3 {
    margin-bottom: 6px;
}

.item-meta p {
    margin-bottom: 12px;
}

.item-controls {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.checkbox {
    display: inline-flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--text);
}

.checkbox input {
    margin-top: 4px;
}

.badge {
    display: inline-flex;
    align-items: center;
    border-radius: 0;
    padding: 7px 11px;
    font-size: 0.84rem;
    font-weight: 700;
}

.badge-ok {
    background: var(--accent-soft);
    color: var(--accent-dark);
}

.badge-muted {
    background: var(--secondary-soft);
    color: #b93815;
}

.reason,
.helper,
.disabled-text {
    margin: 12px 0 0;
    font-size: 0.95rem;
}

.helper {
    color: var(--accent-dark);
}

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

.section-heading {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-start;
}

.note-box {
    background: linear-gradient(90deg, #eef4ff 0%, #fff6f2 100%);
    border: 1px solid #d3dcf0;
    border-left: 4px solid var(--secondary);
    border-radius: 0;
    padding: 18px;
    margin-bottom: 24px;
}

.connector-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.choice-grid,
.check-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

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

.choice-card,
.check-card {
    padding: 18px;
    border: 1px solid #d7e0ed;
    background: #ffffff;
    display: grid;
    gap: 8px;
}

.choice-card input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.choice-card.is-active {
    border-color: #8fb2ff;
    border-left: 4px solid var(--accent);
    background: linear-gradient(90deg, #eef4ff 0%, #ffffff 100%);
}

.check-card--ok {
    border-left: 4px solid var(--success);
}

.check-card--warn {
    border-left: 4px solid var(--secondary);
    background: #fff8f4;
}

.connector-card {
    padding: 18px;
    border: 1px solid #d7e0ed;
    border-radius: 0;
    background: #ffffff;
}

.connector-card.is-active {
    border-color: #8fb2ff;
    border-left: 4px solid var(--accent);
    background: linear-gradient(90deg, #eef4ff 0%, #ffffff 100%);
    box-shadow: var(--shadow-soft);
}

.connector-card p {
    margin-bottom: 0;
}

.connector-hint[hidden] {
    display: none;
}

.details-card {
    border: 1px solid #d7e0ed;
    border-radius: 0;
    padding: 0;
    background: #ffffff;
}

.details-card summary {
    cursor: pointer;
    padding: 18px 20px;
    font-weight: 700;
    list-style: none;
    background: #f7faff;
    border-bottom: 1px solid #e1e8f3;
}

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

.details-card > :not(summary) {
    padding: 0 20px 20px;
}

.helper-text {
    font-size: 0.94rem;
    color: var(--muted);
}

.wizard-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    align-items: center;
}

.toggle-stack,
.checklist {
    display: grid;
    gap: 12px;
}

.toggle-card,
.checklist-item {
    padding: 16px 18px;
    border: 1px solid #d7e0ed;
    background: #ffffff;
}

.toggle-card small {
    display: block;
    margin-top: 4px;
    color: var(--muted);
    font-weight: 500;
}

.checklist-item.is-done {
    border-left: 4px solid var(--success);
    background: #f0fdf4;
}

.button-preview {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 24px;
    text-decoration: none;
    font-weight: 700;
}

@media (max-width: 860px) {
    .steps,
    .summary-grid,
    .grid-two,
    .connector-grid,
    .choice-grid,
    .check-grid,
    .choice-grid--two {
        grid-template-columns: 1fr;
    }

    .hero,
    .hero-links,
    .section-heading,
    .item-main,
    .item-card--selected,
    .wizard-actions {
        flex-direction: column;
        align-items: flex-start;
    }

    .field-small {
        max-width: 100%;
    }
}