/**
 * BEEP! Developer Portal Styles
 *
 * Extends the main BEEP design system for a Stripe-quality developer portal.
 * Imports and builds on ../assets/css/design-system.css tokens.
 */

/* ===================================================================
   DEVELOPER PORTAL ROOT OVERRIDES
   =================================================================== */

:root {
  --dev-sidebar-width: 260px;
  --dev-code-panel-width: 380px;
  --dev-header-height: 60px;
  --dev-content-max: 720px;
  --dev-bg: #0a0a0a;
  --dev-bg-card: #141414;
  --dev-bg-code: #0d1117;
  --dev-border: rgba(255, 255, 255, 0.08);
  --dev-border-hover: rgba(255, 255, 255, 0.15);
  --dev-text: #e6edf3;
  --dev-text-muted: #8b949e;
  --dev-accent: #ffffff;
  --dev-accent-glow: rgba(255, 255, 255, 0.06);
  --dev-green: #3fb950;
  --dev-green-bg: rgba(63, 185, 80, 0.1);
  --dev-red: #f85149;
  --dev-red-bg: rgba(248, 81, 73, 0.1);
  --dev-blue: #58a6ff;
  --dev-blue-bg: rgba(88, 166, 255, 0.1);
  --dev-amber: #d29922;
  --dev-amber-bg: rgba(210, 153, 34, 0.1);
  --dev-purple: #bc8cff;

  /* Badge colours per package tier — from DEVELOPER_GUIDELINES.md */
  --tier-discover: #3b82f6;
  --tier-assist: #34d399;
  --tier-go: #f59e0b;
  --tier-grow: #8b5cf6;
  --tier-prime: #2dd4bf;
}

/* ===================================================================
   GLOBAL RESET FOR PORTAL
   =================================================================== */

.dev-portal * {
  box-sizing: border-box;
}

.dev-portal body,
body.dev-body {
  background: var(--dev-bg);
  color: var(--dev-text);
  font-family: 'Mulish', -apple-system, BlinkMacSystemFont, 'Segoe UI', monospace;
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

/* ===================================================================
   PORTAL HEADER
   =================================================================== */

.dev-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--dev-header-height);
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--dev-border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 32px;
}

.dev-header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.dev-header-logo img {
  height: 26px;
  border-radius: 6px;
}

.dev-header-divider {
  width: 1px;
  height: 20px;
  background: var(--dev-border-hover);
}

.dev-header-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--dev-text-muted);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.dev-header-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 8px;
}

.dev-header-nav-link {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--dev-text-muted);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 6px;
  transition: all 0.15s ease;
}

.dev-header-nav-link:hover {
  color: var(--dev-text);
  background: var(--dev-accent-glow);
}

.dev-header-nav-link.active {
  color: var(--dev-text);
  background: var(--dev-accent-glow);
}

.dev-header-right {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

.dev-mode-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 100px;
  letter-spacing: 0.04em;
}

.dev-mode-badge.test {
  background: var(--dev-amber-bg);
  color: var(--dev-amber);
  border: 1px solid rgba(210, 153, 34, 0.2);
}

.dev-mode-badge.live {
  background: var(--dev-green-bg);
  color: var(--dev-green);
  border: 1px solid rgba(63, 185, 80, 0.2);
}

.dev-mode-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.dev-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'Mulish', sans-serif;
  font-size: 13px;
  font-weight: 600;
  padding: 7px 16px;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
  border: none;
}

.dev-btn-primary {
  background: #fff;
  color: #000;
}

.dev-btn-primary:hover {
  background: #e6e6e6;
}

.dev-btn-secondary {
  background: transparent;
  color: var(--dev-text);
  border: 1px solid var(--dev-border-hover);
}

.dev-btn-secondary:hover {
  border-color: rgba(255, 255, 255, 0.3);
  background: var(--dev-accent-glow);
}

.dev-btn-ghost {
  background: transparent;
  color: var(--dev-text-muted);
  padding: 7px 12px;
}

.dev-btn-ghost:hover {
  color: var(--dev-text);
  background: var(--dev-accent-glow);
}

/* ===================================================================
   LANGUAGE TOGGLE (i18n)
   =================================================================== */

.dev-lang-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: 'Mulish', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 4px 9px;
  border-radius: 6px;
  border: 1px solid var(--dev-border-hover);
  background: transparent;
  color: var(--dev-text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
  flex-shrink: 0;
}

.dev-lang-toggle:hover {
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--dev-text);
  background: var(--dev-accent-glow);
}

/* i18n visibility — toggled by <html lang="de|en"> */
html[lang="en"] .lang-de { display: none !important; }
html[lang="de"] .lang-en { display: none !important; }

/* ===================================================================
   DOCS LAYOUT (THREE-PANEL)
   =================================================================== */

.dev-docs-layout {
  display: grid;
  grid-template-columns: var(--dev-sidebar-width) 1fr var(--dev-code-panel-width);
  min-height: calc(100vh - var(--dev-header-height));
}

.dev-docs-layout.no-code-panel {
  grid-template-columns: var(--dev-sidebar-width) 1fr;
}

/* ===================================================================
   SIDEBAR
   =================================================================== */

.dev-sidebar {
  position: sticky;
  top: var(--dev-header-height);
  height: calc(100vh - var(--dev-header-height));
  overflow-y: auto;
  padding: 24px 0;
  border-right: 1px solid var(--dev-border);
  background: rgba(10, 10, 10, 0.6);
  scrollbar-width: thin;
  scrollbar-color: var(--dev-border) transparent;
}

.dev-sidebar::-webkit-scrollbar {
  width: 4px;
}

.dev-sidebar::-webkit-scrollbar-track {
  background: transparent;
}

.dev-sidebar::-webkit-scrollbar-thumb {
  background: var(--dev-border);
  border-radius: 2px;
}

.dev-sidebar-section {
  margin-bottom: 8px;
}

.dev-sidebar-section-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--dev-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 8px 20px 6px;
}

.dev-sidebar-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--dev-text-muted);
  text-decoration: none;
  padding: 6px 20px;
  transition: all 0.1s ease;
  border-left: 2px solid transparent;
}

.dev-sidebar-link:hover {
  color: var(--dev-text);
  background: var(--dev-accent-glow);
}

.dev-sidebar-link.active {
  color: var(--dev-text);
  background: var(--dev-accent-glow);
  border-left-color: #fff;
}

.dev-sidebar-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 0.04em;
}

.dev-sidebar-badge.new {
  background: var(--dev-green-bg);
  color: var(--dev-green);
}

.dev-sidebar-badge.beta {
  background: var(--dev-amber-bg);
  color: var(--dev-amber);
}

/* ===================================================================
   MAIN CONTENT AREA
   =================================================================== */

.dev-content {
  padding: 48px 56px;
  max-width: none;
  overflow-x: hidden;
}

.dev-content-inner {
  max-width: var(--dev-content-max);
}

/* Headings */
.dev-h1 {
  font-size: 28px;
  font-weight: 800;
  color: var(--dev-text);
  margin: 0 0 8px;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.dev-h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--dev-text);
  margin: 40px 0 12px;
  padding-top: 24px;
  border-top: 1px solid var(--dev-border);
  letter-spacing: -0.01em;
}

.dev-h2:first-of-type {
  margin-top: 32px;
  padding-top: 0;
  border-top: none;
}

.dev-h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--dev-text);
  margin: 24px 0 8px;
}

.dev-lead {
  font-size: 15px;
  color: var(--dev-text-muted);
  margin: 0 0 32px;
  line-height: 1.7;
}

.dev-p {
  font-size: 14px;
  color: var(--dev-text-muted);
  line-height: 1.75;
  margin: 0 0 16px;
}

.dev-p a,
.dev-content a {
  color: var(--dev-blue);
  text-decoration: none;
}

.dev-p a:hover,
.dev-content a:hover {
  text-decoration: underline;
}

/* Step-by-step */
.dev-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 24px 0;
  position: relative;
}

.dev-step {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 16px;
  padding-bottom: 28px;
  position: relative;
}

.dev-step:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 32px;
  bottom: 0;
  width: 2px;
  background: var(--dev-border);
}

.dev-step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--dev-accent-glow);
  border: 1px solid var(--dev-border-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--dev-text);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.dev-step-content {
  padding-top: 4px;
}

.dev-step-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--dev-text);
  margin: 0 0 8px;
}

.dev-step-desc {
  font-size: 13px;
  color: var(--dev-text-muted);
  margin: 0 0 12px;
  line-height: 1.6;
}

/* ===================================================================
   CODE BLOCKS
   =================================================================== */

.dev-code-block {
  background: var(--dev-bg-code);
  border: 1px solid var(--dev-border);
  border-radius: 10px;
  overflow: hidden;
  margin: 12px 0 20px;
  font-family: 'SF Mono', 'Fira Code', 'Fira Mono', 'Roboto Mono', monospace;
}

.dev-code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--dev-border);
}

.dev-code-lang {
  font-size: 11px;
  font-weight: 600;
  color: var(--dev-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.dev-code-copy {
  background: transparent;
  border: 1px solid var(--dev-border);
  color: var(--dev-text-muted);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 5px;
  cursor: pointer;
  font-family: 'Mulish', sans-serif;
  transition: all 0.15s;
}

.dev-code-copy:hover {
  border-color: var(--dev-border-hover);
  color: var(--dev-text);
}

.dev-code-body {
  padding: 16px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.65;
  color: #e6edf3;
  white-space: pre;
}

/* Syntax highlighting classes */
.tok-key { color: #ff7b72; }
.tok-str { color: #a5d6ff; }
.tok-num { color: #79c0ff; }
.tok-bool { color: #ff7b72; }
.tok-comment { color: #8b949e; font-style: italic; }
.tok-method { color: #d2a8ff; }
.tok-url { color: #a5d6ff; }
.tok-param { color: #ffa657; }
.tok-type { color: #7ee787; }

/* Inline code */
.dev-inline-code {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 12.5px;
  background: rgba(110, 118, 129, 0.15);
  color: var(--dev-blue);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--dev-border);
}

/* ===================================================================
   CODE PANEL (RIGHT SIDE)
   =================================================================== */

.dev-code-panel {
  position: sticky;
  top: var(--dev-header-height);
  height: calc(100vh - var(--dev-header-height));
  overflow-y: auto;
  background: var(--dev-bg-code);
  border-left: 1px solid var(--dev-border);
  padding: 24px;
  scrollbar-width: thin;
}

.dev-code-panel-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--dev-border);
  padding-bottom: 12px;
}

.dev-code-panel-tab {
  font-size: 12px;
  font-weight: 600;
  color: var(--dev-text-muted);
  padding: 5px 10px;
  border-radius: 5px;
  cursor: pointer;
  border: none;
  background: transparent;
  font-family: 'Mulish', sans-serif;
  transition: all 0.15s;
}

.dev-code-panel-tab:hover {
  color: var(--dev-text);
  background: var(--dev-accent-glow);
}

.dev-code-panel-tab.active {
  color: var(--dev-text);
  background: rgba(255, 255, 255, 0.08);
}

.dev-code-snippet {
  display: none;
}

.dev-code-snippet.active {
  display: block;
}

.dev-code-snippet pre {
  background: transparent;
  margin: 0;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--dev-text-muted);
  white-space: pre;
  overflow-x: auto;
}

/* ===================================================================
   API ENDPOINT CARDS
   =================================================================== */

.dev-endpoint {
  border: 1px solid var(--dev-border);
  border-radius: 10px;
  overflow: hidden;
  margin: 16px 0;
  transition: border-color 0.15s;
}

.dev-endpoint:hover {
  border-color: var(--dev-border-hover);
}

.dev-endpoint-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  cursor: pointer;
  background: var(--dev-bg-card);
}

.dev-endpoint-method {
  font-size: 11px;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 5px;
  letter-spacing: 0.06em;
  font-family: 'SF Mono', monospace;
  flex-shrink: 0;
}

.dev-endpoint-method.get {
  background: var(--dev-blue-bg);
  color: var(--dev-blue);
}

.dev-endpoint-method.post {
  background: var(--dev-green-bg);
  color: var(--dev-green);
}

.dev-endpoint-method.put,
.dev-endpoint-method.patch {
  background: var(--dev-amber-bg);
  color: var(--dev-amber);
}

.dev-endpoint-method.delete {
  background: var(--dev-red-bg);
  color: var(--dev-red);
}

.dev-endpoint-path {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 13.5px;
  color: var(--dev-text);
  flex: 1;
}

.dev-endpoint-desc {
  font-size: 12.5px;
  color: var(--dev-text-muted);
  margin-left: auto;
}

.dev-endpoint-tier {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.dev-endpoint-tier.tier-discover { background: rgba(59,130,246,0.15); color: var(--tier-discover); }
.dev-endpoint-tier.tier-assist { background: rgba(52,211,153,0.15); color: var(--tier-assist); }
.dev-endpoint-tier.tier-go { background: rgba(245,158,11,0.15); color: var(--tier-go); }
.dev-endpoint-tier.tier-grow { background: rgba(139,92,246,0.15); color: var(--tier-grow); }
.dev-endpoint-tier.tier-prime { background: rgba(45,212,191,0.15); color: var(--tier-prime); }

.dev-endpoint-body {
  display: none;
  padding: 20px 18px;
  border-top: 1px solid var(--dev-border);
  background: #0e0e0e;
}

.dev-endpoint.expanded .dev-endpoint-body {
  display: block;
}

.dev-endpoint.expanded .dev-endpoint-header {
  border-bottom: none;
}

/* ===================================================================
   PARAM TABLE
   =================================================================== */

.dev-param-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin: 12px 0;
}

.dev-param-table th {
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  color: var(--dev-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 8px 12px;
  border-bottom: 1px solid var(--dev-border);
}

.dev-param-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--dev-border);
  vertical-align: top;
}

.dev-param-table tr:last-child td {
  border-bottom: none;
}

.dev-param-name {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 12.5px;
  color: var(--dev-green);
  white-space: nowrap;
}

.dev-param-required {
  font-size: 10px;
  font-weight: 700;
  background: var(--dev-red-bg);
  color: var(--dev-red);
  padding: 2px 5px;
  border-radius: 3px;
  margin-left: 6px;
}

.dev-param-optional {
  font-size: 10px;
  font-weight: 700;
  background: rgba(255,255,255,0.05);
  color: var(--dev-text-muted);
  padding: 2px 5px;
  border-radius: 3px;
  margin-left: 6px;
}

.dev-param-type {
  font-family: 'SF Mono', monospace;
  font-size: 11.5px;
  color: var(--dev-purple);
}

.dev-param-desc {
  font-size: 12.5px;
  color: var(--dev-text-muted);
  line-height: 1.5;
}

/* ===================================================================
   RESPONSE BADGES
   =================================================================== */

.dev-response-codes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0;
}

.dev-response-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 6px;
  font-family: 'SF Mono', monospace;
}

.dev-response-badge.success {
  background: var(--dev-green-bg);
  color: var(--dev-green);
  border: 1px solid rgba(63, 185, 80, 0.2);
}

.dev-response-badge.error {
  background: var(--dev-red-bg);
  color: var(--dev-red);
  border: 1px solid rgba(248, 81, 73, 0.2);
}

.dev-response-badge.info {
  background: var(--dev-blue-bg);
  color: var(--dev-blue);
  border: 1px solid rgba(88, 166, 255, 0.2);
}

/* ===================================================================
   CALLOUT BOXES
   =================================================================== */

.dev-callout {
  display: flex;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 8px;
  border: 1px solid;
  margin: 16px 0;
  font-size: 13.5px;
  line-height: 1.6;
}

.dev-callout.info {
  background: var(--dev-blue-bg);
  border-color: rgba(88, 166, 255, 0.2);
  color: #93c5fd;
}

.dev-callout.success {
  background: var(--dev-green-bg);
  border-color: rgba(63, 185, 80, 0.2);
  color: #86efac;
}

.dev-callout.warning {
  background: var(--dev-amber-bg);
  border-color: rgba(210, 153, 34, 0.2);
  color: #fcd34d;
}

.dev-callout.error {
  background: var(--dev-red-bg);
  border-color: rgba(248, 81, 73, 0.2);
  color: #fca5a5;
}

.dev-callout-icon {
  font-size: 16px;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ===================================================================
   PACKAGE TIER BADGES
   =================================================================== */

.dev-tier-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 100px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.dev-tier-badge.discover {
  background: rgba(59,130,246,0.12);
  color: var(--tier-discover);
  border: 1px solid rgba(59,130,246,0.2);
}

.dev-tier-badge.assist {
  background: rgba(52,211,153,0.12);
  color: var(--tier-assist);
  border: 1px solid rgba(52,211,153,0.2);
}

.dev-tier-badge.go {
  background: rgba(245,158,11,0.12);
  color: var(--tier-go);
  border: 1px solid rgba(245,158,11,0.2);
}

.dev-tier-badge.grow {
  background: rgba(139,92,246,0.12);
  color: var(--tier-grow);
  border: 1px solid rgba(139,92,246,0.2);
}

.dev-tier-badge.prime {
  background: rgba(45,212,191,0.12);
  color: var(--tier-prime);
  border: 1px solid rgba(45,212,191,0.2);
}

/* ===================================================================
   LANDING PAGE HERO
   =================================================================== */

.dev-hero {
  padding: 80px 24px 60px;
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
}

.dev-hero-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--dev-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
  padding: 5px 12px;
  border: 1px solid var(--dev-border);
  border-radius: 100px;
}

.dev-hero-h1 {
  font-size: 52px;
  font-weight: 800;
  color: var(--dev-text);
  margin: 0 0 20px;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.dev-hero-sub {
  font-size: 18px;
  color: var(--dev-text-muted);
  margin: 0 auto 36px;
  max-width: 600px;
  line-height: 1.6;
}

.dev-hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* Feature grid */
.dev-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 0 24px 48px;
  max-width: 1100px;
  margin: 0 auto;
}

.dev-feature-card {
  background: var(--dev-bg-card);
  border: 1px solid var(--dev-border);
  border-radius: 12px;
  padding: 24px;
  transition: border-color 0.2s, transform 0.2s;
  text-decoration: none;
  display: block;
}

.dev-feature-card:hover {
  border-color: var(--dev-border-hover);
  transform: translateY(-2px);
}

.dev-feature-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--dev-accent-glow);
  border: 1px solid var(--dev-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 14px;
  color: var(--dev-text);
}

.dev-feature-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--dev-text);
  margin: 0 0 6px;
}

.dev-feature-desc {
  font-size: 13px;
  color: var(--dev-text-muted);
  margin: 0;
  line-height: 1.55;
}

/* Product tiers overview */
.dev-tiers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px 64px;
}

.dev-tier-card {
  background: var(--dev-bg-card);
  border: 1px solid var(--dev-border);
  border-radius: 12px;
  padding: 20px;
  text-align: center;
}

.dev-tier-card-name {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.dev-tier-card-price {
  font-size: 20px;
  font-weight: 800;
  color: var(--dev-text);
  margin-bottom: 4px;
}

.dev-tier-card-desc {
  font-size: 12px;
  color: var(--dev-text-muted);
  margin-bottom: 14px;
}

.dev-tier-card-features {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: left;
}

.dev-tier-card-features li {
  font-size: 12px;
  color: var(--dev-text-muted);
  padding: 4px 0;
  display: flex;
  align-items: flex-start;
  gap: 6px;
}

.dev-tier-card-features li::before {
  content: '✓';
  color: var(--dev-green);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ===================================================================
   SANDBOX PAGE
   =================================================================== */

.dev-sandbox-layout {
  display: grid;
  grid-template-columns: 1fr 460px;
  gap: 0;
  min-height: calc(100vh - var(--dev-header-height));
}

.dev-sandbox-main {
  padding: 36px 40px;
  overflow-y: auto;
  border-right: 1px solid var(--dev-border);
}

.dev-sandbox-panel {
  background: var(--dev-bg-code);
  padding: 24px;
  overflow-y: auto;
  position: sticky;
  top: var(--dev-header-height);
  height: calc(100vh - var(--dev-header-height));
}

.dev-api-tester {
  background: var(--dev-bg-card);
  border: 1px solid var(--dev-border);
  border-radius: 12px;
  overflow: hidden;
  margin: 20px 0;
}

.dev-api-tester-header {
  padding: 14px 18px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--dev-border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.dev-api-tester-body {
  padding: 18px;
}

.dev-input-group {
  margin-bottom: 14px;
}

.dev-input-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  color: var(--dev-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.dev-input {
  width: 100%;
  background: var(--dev-bg);
  border: 1px solid var(--dev-border);
  border-radius: 7px;
  padding: 9px 12px;
  font-size: 13px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  color: var(--dev-text);
  font-family: 'Mulish', sans-serif;
  transition: border-color 0.15s;
  box-sizing: border-box;
}

.dev-input:focus {
  outline: none;
  border-color: rgba(255,255,255,0.3);
}

select.dev-input {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
  cursor: pointer;
}

.dev-textarea {
  min-height: 120px;
  resize: vertical;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 12.5px;
  line-height: 1.6;
}

.dev-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238b949e' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 32px;
  cursor: pointer;
}

.dev-run-btn {
  background: #fff;
  color: #000;
  border: none;
  border-radius: 7px;
  padding: 9px 20px;
  font-size: 13px;
  font-weight: 700;
  font-family: 'Mulish', sans-serif;
  cursor: pointer;
  transition: all 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.dev-run-btn:hover {
  background: #e6e6e6;
  transform: translateY(-1px);
}

.dev-response-box {
  background: var(--dev-bg);
  border: 1px solid var(--dev-border);
  border-radius: 8px;
  overflow: hidden;
  margin-top: 14px;
}

.dev-response-header {
  padding: 8px 14px;
  border-bottom: 1px solid var(--dev-border);
  font-size: 11px;
  font-weight: 700;
  color: var(--dev-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.dev-response-body {
  padding: 14px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 12px;
  line-height: 1.65;
  color: var(--dev-text-muted);
  white-space: pre;
  overflow-x: auto;
  max-height: 300px;
}

.dev-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--dev-green);
}

.dev-status-dot.error {
  background: var(--dev-red);
}

/* ===================================================================
   DASHBOARD
   =================================================================== */

.dev-dashboard-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: calc(100vh - var(--dev-header-height));
}

.dev-dash-sidebar {
  border-right: 1px solid var(--dev-border);
  padding: 20px 0;
  position: sticky;
  top: var(--dev-header-height);
  height: calc(100vh - var(--dev-header-height));
}

.dev-dash-main {
  padding: 36px 40px;
  overflow-y: auto;
  max-width: 960px;
}

.dev-dash-section {
  margin-bottom: 40px;
}

.dev-dash-section-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--dev-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.dev-key-card {
  background: var(--dev-bg-card);
  border: 1px solid var(--dev-border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 12px;
}

.dev-key-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.dev-key-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--dev-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  min-width: 120px;
}

.dev-key-value {
  flex: 1;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 13px;
  color: var(--dev-text);
  background: var(--dev-bg);
  border: 1px solid var(--dev-border);
  border-radius: 6px;
  padding: 8px 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dev-key-actions {
  display: flex;
  gap: 8px;
}

/* Event log */
.dev-log-table {
  width: 100%;
  border-collapse: collapse;
}

.dev-log-table th {
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  color: var(--dev-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 8px 14px;
  border-bottom: 1px solid var(--dev-border);
}

.dev-log-table td {
  padding: 11px 14px;
  font-size: 13px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  color: var(--dev-text-muted);
}

.dev-log-table tr:hover td {
  background: var(--dev-accent-glow);
  cursor: pointer;
}

.dev-log-event {
  font-family: 'SF Mono', monospace;
  font-size: 12px;
  color: var(--dev-text);
}

/* Stats cards */
.dev-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 32px;
}

.dev-stat-card {
  background: var(--dev-bg-card);
  border: 1px solid var(--dev-border);
  border-radius: 10px;
  padding: 18px 20px;
}

.dev-stat-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--dev-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.dev-stat-value {
  font-size: 26px;
  font-weight: 800;
  color: var(--dev-text);
  line-height: 1;
  margin-bottom: 4px;
}

.dev-stat-change {
  font-size: 12px;
  font-weight: 600;
}

.dev-stat-change.up { color: var(--dev-green); }
.dev-stat-change.down { color: var(--dev-red); }

/* ===================================================================
   AUTH / LOGIN
   =================================================================== */

.dev-auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.dev-auth-card {
  background: var(--dev-bg-card);
  border: 1px solid var(--dev-border);
  border-radius: 14px;
  padding: 36px 40px;
  width: 100%;
  max-width: 400px;
}

.dev-auth-logo {
  text-align: center;
  margin-bottom: 28px;
}

.dev-auth-logo img {
  height: 32px;
  filter: brightness(0) invert(1);
}

.dev-auth-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--dev-text);
  margin: 0 0 6px;
  text-align: center;
}

.dev-auth-sub {
  font-size: 13.5px;
  color: var(--dev-text-muted);
  text-align: center;
  margin: 0 0 28px;
  line-height: 1.6;
}

.dev-auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
  font-size: 12px;
  color: var(--dev-text-muted);
}

.dev-auth-divider::before,
.dev-auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--dev-border);
}

/* ===================================================================
   UTILITY
   =================================================================== */

.dev-divider {
  height: 1px;
  background: var(--dev-border);
  margin: 28px 0;
}

.dev-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  color: var(--dev-text-muted);
  margin-bottom: 20px;
}

.dev-breadcrumb a {
  color: var(--dev-text-muted);
  text-decoration: none;
}

.dev-breadcrumb a:hover { color: var(--dev-text); }

.dev-breadcrumb-sep {
  opacity: 0.4;
  font-size: 14px;
}

.dev-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 8px 0;
}

.dev-tag {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 5px;
  background: rgba(255,255,255,0.05);
  color: var(--dev-text-muted);
  border: 1px solid var(--dev-border);
}

.dev-section-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--dev-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

/* ===================================================================
   QUICK COPY KEY WIDGET
   =================================================================== */

.dev-key-widget {
  display: flex;
  align-items: center;
  background: var(--dev-bg);
  border: 1px solid var(--dev-border);
  border-radius: 8px;
  overflow: hidden;
  font-family: 'SF Mono', monospace;
  font-size: 12.5px;
}

.dev-key-widget-value {
  padding: 9px 14px;
  color: var(--dev-text-muted);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dev-key-widget-copy {
  padding: 9px 14px;
  background: rgba(255,255,255,0.05);
  border-left: 1px solid var(--dev-border);
  cursor: pointer;
  font-size: 11px;
  font-weight: 700;
  color: var(--dev-text-muted);
  font-family: 'Mulish', sans-serif;
  transition: all 0.15s;
  border: none;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.dev-key-widget-copy:hover {
  background: rgba(255,255,255,0.1);
  color: var(--dev-text);
}

/* ===================================================================
   RESPONSIVE
   =================================================================== */

@media (max-width: 1200px) {
  .dev-docs-layout {
    grid-template-columns: var(--dev-sidebar-width) 1fr;
  }
  .dev-code-panel { display: none; }
  .dev-tiers-grid { grid-template-columns: repeat(2, 1fr); }
  .dev-feature-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .dev-docs-layout,
  .dev-sandbox-layout,
  .dev-dashboard-layout {
    grid-template-columns: 1fr;
  }
  .dev-sidebar, .dev-dash-sidebar { display: none; }
  .dev-content { padding: 28px 20px; }
  .dev-hero-h1 { font-size: 36px; }
  .dev-tiers-grid { grid-template-columns: 1fr; }
  .dev-feature-grid { grid-template-columns: 1fr; }
  .dev-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .dev-sandbox-panel { display: none; }
  .dev-dash-main { padding: 24px 20px; }
}

/* ============================================================
   GOOGLE SIGN-IN BUTTON
   ============================================================ */
.dev-google-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 11px 16px;
  background: var(--dev-bg-card);
  border: 1px solid var(--dev-border);
  border-radius: 8px;
  color: var(--dev-text);
  font-family: 'Mulish', sans-serif;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.dev-google-btn:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.25);
}

/* ============================================================
   AUTH DIVIDER
   ============================================================ */
.dev-auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
  color: var(--dev-text-muted);
  font-size: 12px;
}
.dev-auth-divider::before,
.dev-auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--dev-border);
}

/* ============================================================
   METHOD BADGES (GET/POST/etc)
   ============================================================ */
.dev-method-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: 5px;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.dev-method-badge.get  { background: rgba(34,197,94,0.12);  color: var(--dev-green); }
.dev-method-badge.post { background: rgba(59,130,246,0.12); color: var(--dev-blue); }
.dev-method-badge.put  { background: rgba(245,158,11,0.12); color: var(--dev-amber); }
.dev-method-badge.del  { background: rgba(248,113,113,0.12); color: #f87171; }

/* ============================================================
   STATUS BADGES
   ============================================================ */
.dev-status-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
}
.dev-status-badge.success { background: var(--dev-green-bg); color: var(--dev-green); }
.dev-status-badge.error   { background: rgba(248,113,113,0.1); color: #f87171; }
.dev-status-badge.pending { background: rgba(245,158,11,0.1); color: var(--dev-amber); }

/* ============================================================
   SANDBOX TABS
   ============================================================ */
.dev-sandbox-tab {
  padding: 7px 14px;
  background: var(--dev-bg-card);
  border: 1px solid var(--dev-border);
  border-radius: 7px;
  color: var(--dev-text-muted);
  font-family: 'Mulish', sans-serif;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}
.dev-sandbox-tab:hover { border-color: rgba(255,255,255,0.3); color: var(--dev-text); }
.dev-sandbox-tab.active {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.3);
  color: var(--dev-text);
}

/* ============================================================
   API TESTER (SANDBOX)
   ============================================================ */
.dev-api-tester {
  margin: 20px 24px;
  background: var(--dev-bg-card);
  border: 1px solid var(--dev-border);
  border-radius: 12px;
  overflow: hidden;
}
.dev-tester-header {
  display: flex;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--dev-border);
  background: rgba(255,255,255,0.02);
}
.dev-tester-body {
  padding: 20px 18px;
}
.dev-tester-desc {
  font-size: 13px;
  color: var(--dev-text-muted);
  margin-bottom: 16px;
  line-height: 1.5;
}

/* ============================================================
   FORM FIELDS
   ============================================================ */
.dev-field-group { margin-bottom: 12px; }
.dev-field-label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--dev-text-muted);
  margin-bottom: 6px;
}
.dev-field-required { color: var(--dev-amber); font-weight: 400; }
.dev-field-optional { color: var(--dev-text-muted); font-weight: 400; opacity: 0.6; }
.dev-textarea {
  resize: vertical;
  min-height: 100px;
  font-family: 'Courier New', monospace;
  font-size: 12px;
}
.dev-checkbox {
  accent-color: #fff;
  width: 14px;
  height: 14px;
}

/* ============================================================
   SANDBOX LAYOUT INTERNALS
   ============================================================ */
.dev-sandbox-main {
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow-y: auto;
}
.dev-sandbox-panel {
  display: flex;
  flex-direction: column;
  background: var(--dev-bg-card);
  border-left: 1px solid var(--dev-border);
  min-height: 0;
  overflow-y: auto;
}
.dev-sandbox-panel-header {
  display: flex;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid var(--dev-border);
  font-size: 12px;
  font-weight: 700;
  color: var(--dev-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.dev-response-box {
  flex: 1;
  min-height: 280px;
  background: var(--dev-bg);
  border: 1px solid var(--dev-border);
  border-radius: 10px;
  margin: 16px;
  overflow: auto;
}

/* ============================================================
   DASHBOARD INTERNALS
   ============================================================ */
.dev-dashboard-sidebar {
  display: flex;
  flex-direction: column;
  padding: 20px 12px;
  border-right: 1px solid var(--dev-border);
  overflow-y: auto;
  height: calc(100vh - 57px);
  position: sticky;
  top: 57px;
}
.dev-dashboard-main {
  padding: 32px 36px;
  overflow-y: auto;
}
.dev-dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 12px;
}
.dev-dashboard-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px;
  border-radius: 10px;
  background: var(--dev-bg);
  border: 1px solid var(--dev-border);
  margin-bottom: 20px;
}
.dev-user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #fff 0%, #888 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 800;
  color: #000;
  flex-shrink: 0;
}

/* ============================================================
   STAT CARDS Details
   ============================================================ */
.dev-stat-label {
  font-size: 12px;
  color: var(--dev-text-muted);
  margin-bottom: 8px;
}
.dev-stat-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--dev-text);
  line-height: 1;
  margin-bottom: 8px;
}
.dev-stat-delta {
  font-size: 11px;
  font-weight: 600;
}
.dev-stat-delta.positive { color: var(--dev-green); }
.dev-stat-delta.neutral  { color: var(--dev-text-muted); }
.dev-stat-delta.negative { color: #f87171; }

/* ============================================================
   KEY CARD Details
   ============================================================ */
.dev-key-label {
  font-size: 11px;
  color: var(--dev-text-muted);
  font-weight: 600;
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}