/* ==========================================================================
   NEXUS API DOCUMENTATION & CONSOLE - STYLESHEET
   Clean 3-column modern developer workspace
   ========================================================================== */

:root {
  --bg-app: #080c14;
  --bg-sidebar: #0d121f;
  --bg-content: #080c14;
  --bg-console: #0c111c;
  --bg-panel: #141b2d;
  --bg-input: #101626;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --border-color: rgba(255, 255, 255, 0.08);
  --border-active: rgba(6, 182, 212, 0.4);

  --accent-cyan: #06b6d4;
  --accent-blue: #3b82f6;

  /* HTTP Method Colors */
  --get-color: #10b981;
  --get-bg: rgba(16, 185, 129, 0.14);
  --post-color: #38bdf8;
  --post-bg: rgba(56, 189, 248, 0.14);
  --put-color: #f59e0b;
  --put-bg: rgba(245, 158, 11, 0.14);
  --del-color: #f43f5e;
  --del-bg: rgba(244, 63, 94, 0.14);

  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius: 8px;
  --transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="light"] {
  --bg-app: #f8fafc;
  --bg-sidebar: #ffffff;
  --bg-content: #f8fafc;
  --bg-console: #ffffff;
  --bg-panel: #f1f5f9;
  --bg-input: #ffffff;

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #94a3b8;

  --border-color: rgba(0, 0, 0, 0.08);
  --border-active: rgba(6, 182, 212, 0.6);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-app);
  color: var(--text-main);
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

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

/* Header */
.api-header {
  height: 60px;
  background-color: var(--bg-sidebar);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  flex-shrink: 0;
  z-index: 10;
}

.api-header-left {
  display: flex;
  align-items: center;
  gap: 18px;
}

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

.brand-logo {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.brand-title span {
  color: var(--accent-cyan);
}

.brand-version {
  font-size: 0.65rem;
  color: var(--text-dim);
  font-weight: 600;
}

.header-divider {
  width: 1px;
  height: 24px;
  background-color: var(--border-color);
}

.env-selector {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.env-selector select {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 0.78rem;
  padding: 4px 8px;
  border-radius: 6px;
  outline: none;
  cursor: pointer;
}

/* Search Box */
.search-box-wrapper {
  position: relative;
  width: 320px;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 10px;
  color: var(--text-dim);
}

.search-box-wrapper input {
  width: 100%;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  border-radius: 20px;
  padding: 6px 42px 6px 34px;
  font-size: 0.82rem;
  outline: none;
  transition: var(--transition);
}

.search-box-wrapper input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(6, 182, 212, 0.2);
}

.search-box-wrapper kbd {
  position: absolute;
  right: 10px;
  font-size: 0.65rem;
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  padding: 1px 5px;
  border-radius: 4px;
  color: var(--text-dim);
}

.api-header-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.theme-btn {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  width: 32px;
  height: 32px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.theme-btn:hover {
  border-color: var(--accent-cyan);
}

[data-theme="dark"] .sun-icon { display: block; }
[data-theme="dark"] .moon-icon { display: none; }
[data-theme="light"] .sun-icon { display: none; }
[data-theme="light"] .moon-icon { display: block; }

.header-link {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
  transition: var(--transition);
}

.header-link:hover {
  color: var(--text-main);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: #fff;
}
.btn-primary:hover {
  box-shadow: 0 2px 10px rgba(6, 182, 212, 0.4);
}

.btn-outline {
  background: transparent;
  border-color: var(--border-color);
  color: var(--text-main);
}
.btn-outline:hover {
  border-color: var(--accent-cyan);
}

.btn-sm {
  padding: 5px 10px;
  font-size: 0.78rem;
}

/* 3-Pane Workspace */
.api-workspace {
  display: grid;
  grid-template-columns: 260px 1fr 420px;
  height: calc(100vh - 60px);
  overflow: hidden;
}

/* Pane 1: Left Sidebar */
.api-sidebar {
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.sidebar-section {
  padding: 16px 14px 6px;
}

.sidebar-heading {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  font-weight: 700;
  margin-bottom: 8px;
  padding-left: 6px;
}

.sidebar-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-item {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.84rem;
  padding: 7px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-item:hover {
  background-color: rgba(255, 255, 255, 0.04);
  color: var(--text-main);
}

.nav-item.active {
  background-color: rgba(6, 182, 212, 0.12);
  color: var(--accent-cyan);
  font-weight: 600;
}

/* Method Tags */
.method-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 4px;
}

.method-tag.get { background: var(--get-bg); color: var(--get-color); }
.method-tag.post { background: var(--post-bg); color: var(--post-color); }
.method-tag.put { background: var(--put-bg); color: var(--put-color); }
.method-tag.delete { background: var(--del-bg); color: var(--del-color); }

.endpoint-name {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-footer {
  margin-top: auto;
  padding: 14px;
  border-top: 1px solid var(--border-color);
}

.token-helper-box {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  padding: 10px;
  border-radius: 6px;
}

.token-label {
  font-size: 0.7rem;
  color: var(--text-dim);
  font-weight: 600;
  margin-bottom: 4px;
}

.token-input-group {
  display: flex;
  gap: 4px;
}

.token-input-group input {
  width: 100%;
  background: transparent;
  border: none;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-cyan);
  outline: none;
}

.token-input-group button {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0 4px;
}

/* Pane 2: Center Documentation Content */
.api-doc-content {
  background-color: var(--bg-content);
  overflow-y: auto;
  padding: 36px 40px;
}

.doc-article {
  max-width: 820px;
}

.doc-header {
  margin-bottom: 24px;
}

.doc-meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(6, 182, 212, 0.1);
  color: var(--accent-cyan);
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: 4px;
  font-weight: 600;
  margin-bottom: 10px;
}

.doc-title {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.doc-description {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.doc-endpoint-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-sidebar);
  border: 1px solid var(--border-color);
  padding: 10px 14px;
  border-radius: var(--radius);
  margin: 20px 0;
  font-family: var(--font-mono);
  font-size: 0.88rem;
}

.doc-section-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 28px 0 12px;
  color: var(--text-main);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 6px;
}

/* Documentation Tables */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
  margin-bottom: 24px;
}

.spec-table th, .spec-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.spec-table th {
  color: var(--text-dim);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
}

.spec-table code {
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.08);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.8rem;
}

.badge-required {
  color: #f43f5e;
  font-size: 0.7rem;
  font-weight: 600;
  margin-left: 4px;
}

.badge-optional {
  color: var(--text-dim);
  font-size: 0.7rem;
  margin-left: 4px;
}

/* Pane 3: Interactive Console Playground */
.api-playground {
  background-color: var(--bg-console);
  border-left: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.playground-header {
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
}

.playground-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-main);
}

.console-btn-text {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 0.75rem;
  cursor: pointer;
  transition: var(--transition);
}
.console-btn-text:hover { color: var(--text-main); }

.playground-config {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.req-bar {
  display: flex;
  align-items: center;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 3px 6px 3px 10px;
  gap: 8px;
}

.method-badge-pill {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 0.75rem;
  color: var(--get-color);
}

.req-bar input {
  flex-grow: 1;
  background: transparent;
  border: none;
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  outline: none;
}

.playground-tabs {
  display: flex;
  gap: 6px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 6px;
}

.pg-tab {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
}

.pg-tab:hover, .pg-tab.active {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.06);
}

.tab-panel {
  display: none;
}
.tab-panel.active {
  display: block;
}

.param-rows {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.param-row {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 6px;
}

.param-row input {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 6px 8px;
  border-radius: 4px;
  outline: none;
}

.code-textarea {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 8px;
  border-radius: 6px;
  outline: none;
  resize: vertical;
}

.code-gen-selector {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.code-gen-selector select {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 0.75rem;
  padding: 4px 8px;
  border-radius: 4px;
  outline: none;
}

.snippet-code-box {
  background: #060911;
  padding: 10px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #38bdf8;
  max-height: 120px;
  overflow-y: auto;
}

/* Response Section */
.response-container {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  overflow: hidden;
}

.response-header {
  padding: 10px 18px;
  background: var(--bg-sidebar);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.res-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
}

.response-meta {
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-dim);
}

.status-badge.ok {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
}

.status-badge.created {
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
}

.time-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
}

.response-body {
  flex-grow: 1;
  overflow-y: auto;
  padding: 14px 18px;
  background: #050810;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #e2e8f0;
  line-height: 1.5;
}

/* Responsive */
@media (max-width: 1100px) {
  .api-workspace {
    grid-template-columns: 240px 1fr;
  }
  .api-playground {
    display: none;
  }
}

@media (max-width: 768px) {
  .api-workspace {
    grid-template-columns: 1fr;
  }
  .api-sidebar {
    display: none;
  }
  .search-box-wrapper {
    display: none;
  }
}