/* transactology.dev — Tokyo Night-inspired developer documentation */

:root {
    --color-dark: #1a1b26;
    --color-panel: #24283b;
    --color-text: #c0caf5;
    --color-keyword: #bb9af7;
    --color-string: #9ece6a;
    --color-function: #7aa2f7;
    --color-comment: #565f89;
    --color-accent: #ff9e64;
    --color-border: #292e42;

    --color-text-muted: #9aa5ce;
    --color-text-soft: #7c84a3;

    --font-display: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-code: "Fira Code", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

    --topbar-h: 56px;
    --sidebar-w: 240px;
    --toc-w: 240px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-dark);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--color-function);
    text-decoration: none;
    transition: color 0.15s ease;
}

a:hover {
    color: var(--color-accent);
}

code {
    font-family: var(--font-code);
    font-size: 0.85em;
    color: var(--color-accent);
    background: rgba(187, 154, 247, 0.08);
    border: 1px solid var(--color-border);
    padding: 0.1em 0.4em;
    border-radius: 4px;
}

p code, dd code, .doc-lead code, td code {
    color: var(--color-accent);
}

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

/* ============ TOPBAR ============ */
.topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--topbar-h);
    background: rgba(26, 27, 38, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    padding: 0 24px;
    z-index: 100;
    gap: 32px;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 12px;
    width: var(--sidebar-w);
    flex-shrink: 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1rem;
    color: var(--color-text);
}

.brand:hover { color: var(--color-text); }

.brand-mark {
    color: var(--color-accent);
    background: var(--color-panel);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    padding: 2px 6px;
    font-size: 0.85rem;
}

.brand-name { letter-spacing: -0.01em; }
.brand-tld { color: var(--color-function); }

.version-tag {
    font-family: var(--font-code);
    font-size: 0.72rem;
    color: var(--color-text-soft);
    background: var(--color-panel);
    border: 1px solid var(--color-border);
    padding: 2px 7px;
    border-radius: 4px;
}

.topbar-nav {
    display: flex;
    gap: 4px;
    flex: 1;
}

.topbar-link {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: 6px;
    transition: all 0.15s ease;
}

.topbar-link:hover {
    color: var(--color-text);
    background: var(--color-panel);
}

.topbar-link.active {
    color: var(--color-text);
    background: var(--color-panel);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
    background: var(--color-panel);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: 0 10px;
    width: 280px;
    transition: border-color 0.15s ease;
}

.search-box:focus-within {
    border-color: var(--color-function);
}

.search-key {
    color: var(--color-comment);
    font-family: var(--font-code);
    font-size: 0.85rem;
    margin-right: 8px;
}

.search-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 0.875rem;
    padding: 7px 0;
}

.search-input::placeholder { color: var(--color-text-soft); }

.search-shortcut {
    font-family: var(--font-code);
    font-size: 0.7rem;
    color: var(--color-text-soft);
    background: var(--color-dark);
    border: 1px solid var(--color-border);
    padding: 1px 6px;
    border-radius: 3px;
    margin-left: 8px;
}

.btn-ghost {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 6px 12px;
}

.btn-ghost:hover { color: var(--color-text); }

.btn-primary {
    background: var(--color-accent);
    color: var(--color-dark);
    font-size: 0.875rem;
    font-weight: 600;
    padding: 7px 14px;
    border-radius: 6px;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-primary:hover {
    color: var(--color-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 158, 100, 0.25);
}

.btn-primary .arrow { font-family: var(--font-code); }

/* ============ LAYOUT ============ */
.layout {
    display: grid;
    grid-template-columns: var(--sidebar-w) 1fr var(--toc-w);
    padding-top: var(--topbar-h);
    min-height: 100vh;
}

/* ============ SIDEBAR ============ */
.sidebar {
    position: sticky;
    top: var(--topbar-h);
    height: calc(100vh - var(--topbar-h));
    overflow-y: auto;
    background: var(--color-dark);
    border-right: 1px solid var(--color-border);
    padding: 24px 16px 16px;
    display: flex;
    flex-direction: column;
}

.sidebar::-webkit-scrollbar { width: 6px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 3px;
}

.sidebar-section {
    margin-bottom: 24px;
}

.sidebar-heading {
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-comment);
    padding: 0 12px;
    margin-bottom: 8px;
}

.sidebar-list {
    list-style: none;
}

.sidebar-link {
    display: block;
    padding: 6px 12px;
    color: var(--color-text-muted);
    font-size: 0.875rem;
    border-radius: 5px;
    border-left: 3px solid transparent;
    margin-left: -3px;
    transition: all 0.15s ease;
}

.sidebar-link:hover {
    color: var(--color-text);
    background: rgba(122, 162, 247, 0.05);
}

.sidebar-link.active {
    color: var(--color-text);
    background: rgba(122, 162, 247, 0.10);
    border-left-color: var(--color-function);
    font-weight: 500;
}

.sidebar-footer {
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
}

.status-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    padding: 6px 10px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-string);
    box-shadow: 0 0 0 3px rgba(158, 206, 106, 0.18);
    animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 3px rgba(158, 206, 106, 0.18); }
    50% { box-shadow: 0 0 0 5px rgba(158, 206, 106, 0.05); }
}

/* ============ CONTENT ============ */
.content {
    padding: 40px 56px 80px;
    max-width: 100%;
    overflow-x: hidden;
}

.doc {
    max-width: 760px;
}

.breadcrumb {
    font-family: var(--font-code);
    font-size: 0.8rem;
    color: var(--color-text-soft);
    margin-bottom: 20px;
    display: flex;
    gap: 8px;
    align-items: center;
}

.crumb-sep { color: var(--color-comment); }
.crumb-current { color: var(--color-text-muted); }

.doc-section {
    margin-bottom: 56px;
    scroll-margin-top: calc(var(--topbar-h) + 16px);
}

.doc-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 2.25rem;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--color-text);
    margin-bottom: 16px;
}

.doc-lead {
    font-size: 1.0625rem;
    color: var(--color-text-muted);
    margin-bottom: 32px;
    line-height: 1.65;
}

.doc-h2 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--color-text);
    margin: 48px 0 16px;
    letter-spacing: -0.01em;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--color-border);
}

.doc-h2:first-child { margin-top: 0; }

.doc-h3 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--color-text);
    margin: 32px 0 12px;
}

.doc p {
    margin-bottom: 16px;
    color: var(--color-text-muted);
}

/* ============ CALLOUT ============ */
.callout {
    display: flex;
    gap: 14px;
    padding: 14px 18px;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    background: var(--color-panel);
    margin: 24px 0;
    font-size: 0.9rem;
}

.callout-info {
    border-left: 3px solid var(--color-function);
}

.callout-icon {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--color-function);
    color: var(--color-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.8rem;
    flex-shrink: 0;
    margin-top: 1px;
}

.callout-body {
    color: var(--color-text-muted);
    line-height: 1.55;
}

/* ============ CODE PANE ============ */
.code-pane {
    background: var(--color-panel);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    overflow: hidden;
    margin: 20px 0 28px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}

.pane-tabs {
    display: flex;
    align-items: center;
    background: var(--color-dark);
    border-bottom: 1px solid var(--color-border);
    padding: 0 8px;
    gap: 2px;
}

.pane-tab {
    background: none;
    border: none;
    color: var(--color-text-soft);
    font-family: var(--font-code);
    font-size: 0.8rem;
    padding: 10px 14px;
    cursor: pointer;
    position: relative;
    transition: color 0.15s ease;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
}

.pane-tab:hover { color: var(--color-text); }

.pane-tab.active {
    color: var(--color-text);
    border-bottom-color: var(--color-accent);
}

.pane-tools {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 8px;
}

.pane-copy {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-soft);
    font-family: var(--font-code);
    font-size: 0.72rem;
    padding: 4px 10px;
    border-radius: 4px;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    transition: all 0.15s ease;
}

.pane-copy:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.pane-copy.copied {
    color: var(--color-string);
    border-color: var(--color-string);
}

.pane-body {
    background: var(--color-panel);
    overflow-x: auto;
}

.code-block {
    font-family: var(--font-code);
    font-size: 0.8125rem;
    line-height: 1.7;
    color: var(--color-text);
    padding: 16px 20px 18px;
    white-space: pre;
    margin: 0;
    background: var(--color-panel);
}

.code-block.hidden { display: none; }

.code-block.bare {
    background: var(--color-panel);
    border-radius: 0;
}

.code-block code {
    background: none;
    border: none;
    padding: 0;
    color: inherit;
    font-size: inherit;
}

/* Syntax tokens */
.code-block .ln {
    display: inline-block;
    width: 2.4em;
    color: var(--color-comment);
    user-select: none;
    margin-right: 1.2em;
    text-align: right;
}

.code-block .kw  { color: var(--color-keyword); }
.code-block .str { color: var(--color-string); }
.code-block .fn  { color: var(--color-function); }
.code-block .cm  { color: var(--color-comment); font-style: italic; }
.code-block .nm  { color: var(--color-accent); }
.code-block .cn  { color: var(--color-accent); }
.code-block .key { color: var(--color-function); }
.code-block .bool{ color: var(--color-accent); }

/* ============ SPLIT PANE ============ */
.split-pane {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin: 24px 0;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    overflow: hidden;
    background: var(--color-panel);
}

.split-col {
    display: flex;
    flex-direction: column;
    background: var(--color-panel);
}

.split-col + .split-col {
    border-left: 1px solid var(--color-border);
    margin-left: -12px;
}

.split-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    background: var(--color-dark);
    border-bottom: 1px solid var(--color-border);
    font-family: var(--font-code);
    font-size: 0.78rem;
    color: var(--color-text-muted);
}

.method {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.7rem;
    padding: 3px 8px;
    border-radius: 4px;
    letter-spacing: 0.04em;
}

.method-get  { background: rgba(122, 162, 247, 0.15); color: var(--color-function); }
.method-post { background: rgba(158, 206, 106, 0.15); color: var(--color-string); }

.endpoint {
    font-family: var(--font-code);
    color: var(--color-text);
    flex: 1;
}

.split-tag {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 2px 7px;
    border-radius: 3px;
    border: 1px solid var(--color-border);
}

.split-tag.req { color: var(--color-keyword); }
.split-tag.res { color: var(--color-string); }

.status-200 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.7rem;
    padding: 3px 8px;
    border-radius: 4px;
    background: rgba(158, 206, 106, 0.15);
    color: var(--color-string);
}

/* ============ KEY TABLE ============ */
.key-table {
    margin: 24px 0;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    background: var(--color-panel);
}

.key-row {
    display: grid;
    grid-template-columns: 1fr 1.2fr 2fr 1fr;
    gap: 16px;
    padding: 12px 18px;
    align-items: center;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.key-row:last-child { border-bottom: none; }

.key-row-head {
    background: var(--color-dark);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-comment);
}

.key-row code {
    font-size: 0.78rem;
}

/* ============ OBJECT GRID ============ */
.object-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 24px;
}

.fields-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--color-comment);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 14px;
}

.field-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.field {
    border-bottom: 1px dashed var(--color-border);
    padding-bottom: 12px;
}

.field:last-child { border-bottom: none; }

.field dt {
    font-size: 0.875rem;
    margin-bottom: 4px;
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.field dt code {
    color: var(--color-function);
    background: none;
    border: none;
    padding: 0;
    font-size: 0.875rem;
    font-weight: 500;
}

.ftype {
    font-family: var(--font-code);
    font-size: 0.72rem;
    color: var(--color-comment);
    font-style: italic;
}

.field dd {
    font-size: 0.85rem;
    color: var(--color-text-soft);
    line-height: 1.5;
}

.object-shape {
    background: var(--color-panel);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    overflow: hidden;
    align-self: start;
    position: sticky;
    top: calc(var(--topbar-h) + 16px);
}

.shape-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--color-dark);
    border-bottom: 1px solid var(--color-border);
}

.shape-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-border);
}

.shape-dot:nth-child(1) { background: #f7768e; }
.shape-dot:nth-child(2) { background: var(--color-accent); }
.shape-dot:nth-child(3) { background: var(--color-string); }

.shape-title {
    font-family: var(--font-code);
    font-size: 0.78rem;
    color: var(--color-text-soft);
    margin-left: 8px;
}

/* ============ EVENT GRID ============ */
.event-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
    margin: 20px 0;
}

.event-card {
    background: var(--color-panel);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 14px 16px;
    transition: all 0.18s ease;
}

.event-card:hover {
    border-color: var(--color-function);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(122, 162, 247, 0.10);
}

.event-name {
    display: inline-block;
    font-family: var(--font-code);
    font-size: 0.82rem;
    color: var(--color-keyword);
    background: rgba(187, 154, 247, 0.08);
    border: 1px solid var(--color-border);
    padding: 3px 8px;
    border-radius: 4px;
    margin-bottom: 8px;
}

.event-card p {
    font-size: 0.82rem;
    color: var(--color-text-soft);
    margin: 0;
    line-height: 1.5;
}

/* ============ ERROR GRID ============ */
.error-grid {
    margin: 20px 0;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    background: var(--color-panel);
}

.error-row {
    display: grid;
    grid-template-columns: 64px 160px 1fr;
    gap: 16px;
    padding: 12px 18px;
    align-items: center;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.875rem;
}

.error-row:last-child { border-bottom: none; }

.error-row strong {
    font-family: var(--font-display);
    color: var(--color-text);
    font-size: 0.875rem;
    font-weight: 600;
}

.error-row span:last-child {
    color: var(--color-text-soft);
    font-size: 0.85rem;
}

.http-code {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.85rem;
    padding: 3px 8px;
    border-radius: 4px;
    text-align: center;
    width: 50px;
}

.http-200 { background: rgba(158, 206, 106, 0.15); color: var(--color-string); }
.http-400, .http-401, .http-402, .http-409, .http-429 {
    background: rgba(255, 158, 100, 0.15); color: var(--color-accent);
}
.http-500 { background: rgba(247, 118, 142, 0.15); color: #f7768e; }

/* ============ FOOTER NAV ============ */
.doc-footer {
    display: flex;
    justify-content: space-between;
    margin-top: 64px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 500;
}

.doc-prev, .doc-next {
    color: var(--color-text-muted);
    padding: 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    transition: all 0.15s ease;
}

.doc-prev:hover, .doc-next:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
    background: rgba(255, 158, 100, 0.05);
}

/* ============ TOC ============ */
.toc {
    position: sticky;
    top: var(--topbar-h);
    height: calc(100vh - var(--topbar-h));
    overflow-y: auto;
    padding: 40px 24px 16px;
    border-left: 1px solid var(--color-border);
}

.toc-heading {
    font-family: var(--font-display);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-comment);
    margin-bottom: 12px;
}

.toc-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.toc-link {
    display: block;
    color: var(--color-text-soft);
    font-size: 0.82rem;
    padding: 5px 10px;
    border-left: 2px solid var(--color-border);
    transition: all 0.15s ease;
}

.toc-link:hover {
    color: var(--color-text);
    border-left-color: var(--color-text-muted);
}

.toc-link.active {
    color: var(--color-function);
    border-left-color: var(--color-function);
}

.toc-divider {
    height: 1px;
    background: var(--color-border);
    margin: 20px 0;
}

.toc-meta {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 24px;
}

.toc-meta-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.78rem;
    color: var(--color-text-soft);
}

.toc-meta-row code {
    font-size: 0.75rem;
    color: var(--color-string);
    background: none;
    border: none;
    padding: 0;
}

.toc-edit {
    display: inline-block;
    font-family: var(--font-code);
    font-size: 0.78rem;
    color: var(--color-text-soft);
    padding: 6px 0;
}

.toc-edit:hover { color: var(--color-accent); }
.toc-edit .arrow { font-family: var(--font-code); }

/* ============ RESPONSIVE ============ */
@media (max-width: 1180px) {
    :root { --toc-w: 0px; }
    .toc { display: none; }
    .layout { grid-template-columns: var(--sidebar-w) 1fr; }
}

@media (max-width: 860px) {
    :root { --sidebar-w: 0px; }
    .sidebar { display: none; }
    .layout { grid-template-columns: 1fr; }
    .topbar-left { width: auto; }
    .topbar-nav { display: none; }
    .search-box { width: 180px; }
    .content { padding: 24px 20px 60px; }
    .doc-title { font-size: 1.75rem; }
    .object-grid { grid-template-columns: 1fr; }
    .split-pane { grid-template-columns: 1fr; }
    .split-col + .split-col {
        border-left: none;
        border-top: 1px solid var(--color-border);
        margin-left: 0;
    }
    .key-row { grid-template-columns: 1fr; gap: 4px; }
    .error-row { grid-template-columns: 60px 1fr; }
    .error-row span:last-child { grid-column: 1 / -1; }
}

@media (max-width: 540px) {
    .version-tag, .btn-ghost { display: none; }
    .search-box { width: 140px; }
    .search-shortcut { display: none; }
}