/* =============================================
   ARR Official REST API — Modern Tech UI
   Black & White Professional
   ============================================= */

:root {
  --bg:         #0A0A0A;
  --bg2:        #111111;
  --bg3:        #181818;
  --border:     #222222;
  --border2:    #2E2E2E;
  --text:       #F0F0F0;
  --text-mute:  #888888;
  --text-soft:  #555555;
  --accent:     #FFFFFF;
  --accent-dim: rgba(255,255,255,0.06);
  --green:      #22C55E;
  --radius:     12px;
  --radius-sm:  8px;
  --mono:       'JetBrains Mono', monospace;
  --sans:       'Manrope', sans-serif;
  --display:    'Syne', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ─── Grid Background ─── */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.page { position: relative; z-index: 1; }

/* ─── Navbar ─── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  height: 60px;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-img {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  object-fit: cover;
  border: 1px solid var(--border2);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-name {
  font-family: var(--display);
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.02em;
}

.brand-sub {
  font-family: var(--mono);
  font-size: 9px;
  color: var(--text-soft);
  letter-spacing: 0.12em;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 7px;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.status-text {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--green);
  letter-spacing: 0.1em;
}

/* ─── Hero ─── */
.hero {
  padding: 80px 32px 60px;
  max-width: 900px;
  margin: 0 auto;
  animation: fadeUp 0.6s ease both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-label {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-soft);
  letter-spacing: 0.12em;
  margin-bottom: 24px;
}

.label-line {
  display: inline-block;
  width: 32px;
  height: 1px;
  background: var(--text-soft);
}

.hero-title {
  font-family: var(--display);
  font-size: clamp(3.5rem, 10vw, 7rem);
  font-weight: 800;
  line-height: 0.92;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
}

.title-line { color: var(--text); }
.title-line.accent {
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(255,255,255,0.5);
}

.hero-sub {
  font-size: 15px;
  color: var(--text-mute);
  font-weight: 300;
  max-width: 460px;
  line-height: 1.75;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  width: fit-content;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 16px 28px;
}

.stat-num {
  font-family: var(--mono);
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  letter-spacing: 0.04em;
}

.stat-label {
  font-family: var(--mono);
  font-size: 9px;
  color: var(--text-soft);
  letter-spacing: 0.14em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
  flex-shrink: 0;
}

/* ─── Container ─── */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 32px 80px;
}

/* ─── Section Intro ─── */
.section-intro {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 28px;
}

.section-index {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-soft);
  letter-spacing: 0.1em;
  margin-top: 4px;
  flex-shrink: 0;
}

.section-title {
  font-family: var(--display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}

.section-desc {
  font-size: 13px;
  color: var(--text-mute);
  font-weight: 300;
  margin-top: 4px;
}

.section-desc strong { color: var(--text); font-weight: 500; }

/* ─── Accordion ─── */
.accordion {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 10px;
  overflow: hidden;
  background: var(--bg2);
  transition: border-color 0.2s;
  animation: fadeUp 0.5s ease both;
}

.accordion:hover { border-color: var(--border2); }
.accordion.open  { border-color: #333; }

.acc-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  transition: background 0.15s;
}

.acc-header:hover { background: var(--accent-dim); }

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

.acc-num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-soft);
  letter-spacing: 0.1em;
  width: 20px;
}

.acc-title {
  display: block;
  font-family: var(--display);
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}

.acc-count {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-soft);
  letter-spacing: 0.08em;
  margin-top: 2px;
}

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

.acc-tag {
  font-family: var(--mono);
  font-size: 9px;
  color: var(--text-soft);
  border: 1px solid var(--border);
  padding: 3px 9px;
  border-radius: 20px;
  letter-spacing: 0.1em;
}

.acc-chevron {
  color: var(--text-soft);
  transition: transform 0.25s ease;
  flex-shrink: 0;
}

.accordion.open .acc-chevron { transform: rotate(180deg); }

.acc-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
  opacity: 0;
}

.acc-body.open { max-height: 2000px; opacity: 1; }

/* ─── Endpoint Grid ─── */
.endpoint-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1px;
  background: var(--border);
  border-top: 1px solid var(--border);
}

.ep-card {
  background: var(--bg2);
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: background 0.15s;
}

.ep-card:hover { background: var(--bg3); }

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

.ep-method {
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 500;
  color: var(--green);
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.2);
  padding: 2px 7px;
  border-radius: 4px;
  letter-spacing: 0.08em;
  flex-shrink: 0;
}

.ep-path {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text);
  font-weight: 500;
  letter-spacing: 0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ep-desc {
  font-size: 12px;
  color: var(--text-mute);
  font-weight: 300;
  flex: 1;
}

.ep-try {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-mute);
  text-decoration: none;
  padding: 6px 12px;
  border: 1px solid var(--border2);
  border-radius: 6px;
  align-self: flex-start;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
  letter-spacing: 0.04em;
}

.ep-try:hover {
  color: var(--text);
  border-color: var(--text-soft);
  background: var(--accent-dim);
}

.coming-soon {
  border-top: 1px solid var(--border);
  padding: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--text-soft);
}

.coming-soon p {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

/* ─── Docs Section ─── */
.docs-section {
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.doc-block {}

.doc-text {
  font-size: 14px;
  color: var(--text-mute);
  font-weight: 300;
  margin-bottom: 16px;
  line-height: 1.7;
}

.doc-text strong { color: var(--text); font-weight: 500; }

.code-wrap {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg2);
}

.code-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--bg3);
}

.code-lang {
  font-family: var(--mono);
  font-size: 9px;
  color: var(--text-soft);
  letter-spacing: 0.14em;
}

.code-dots {
  display: flex;
  gap: 5px;
}

.code-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border2);
}

.code-wrap pre {
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.8;
  color: var(--text);
  padding: 20px 20px;
  overflow-x: auto;
  font-weight: 300;
}

.copy-code-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 400;
  color: var(--text-mute);
  background: none;
  border: 1px solid var(--border);
  padding: 4px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
  letter-spacing: 0.04em;
}

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

/* ─── Toast ─── */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--text);
  color: var(--bg);
  font-family: var(--mono);
  font-size: 12px;
  padding: 10px 22px;
  border-radius: 40px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, transform 0.2s, visibility 0s 0.25s;
  white-space: nowrap;
  z-index: 9999;
  letter-spacing: 0.04em;
}

.toast.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  transition: opacity 0.2s, transform 0.2s;
}

/* ─── FAB ─── */
.fab {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--text);
  color: var(--bg);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
  transition: transform 0.2s, background 0.2s;
  z-index: 100;
}

.fab:hover { transform: scale(1.1); background: #e0e0e0; }

/* ─── Popup ─── */
.popup-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  z-index: 200;
  display: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.popup-backdrop.active { display: block; opacity: 1; }

.popup {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -54%) scale(0.95);
  width: min(460px, calc(100vw - 40px));
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: 16px;
  padding: 36px;
  z-index: 300;
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.popup.active {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.popup-tag {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-soft);
  letter-spacing: 0.16em;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.popup-tag::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 1px;
  background: var(--text-soft);
}

.popup-title {
  font-family: var(--display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.popup-title span { color: transparent; -webkit-text-stroke: 1.5px rgba(255,255,255,0.4); }

.popup p {
  font-size: 14px;
  color: var(--text-mute);
  font-weight: 300;
  line-height: 1.7;
  margin-bottom: 28px;
}

.popup-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn-ghost {
  flex: 1;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-mute);
  background: none;
  border: 1px solid var(--border2);
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

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

.btn-solid {
  flex: 1;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--bg);
  background: var(--text);
  border: 1px solid var(--text);
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
}

.btn-solid:hover { opacity: 0.88; }

/* ─── Donasi Modal ─── */
.donasi-modal { max-width: 380px; }

.dana-card {
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  margin-bottom: 8px;
}

.dana-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 18px;
}

.dana-logo span {
  font-family: var(--display);
  font-size: 16px;
  font-weight: 700;
  color: #108EE9;
}

.dana-number {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 500;
  color: var(--text);
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.dana-name {
  font-size: 12px;
  color: var(--text-mute);
  font-weight: 300;
  margin-bottom: 18px;
  letter-spacing: 0.04em;
}

.copy-dana-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  color: var(--bg);
  background: var(--text);
  border: none;
  padding: 9px 20px;
  border-radius: 8px;
  cursor: pointer;
  transition: opacity 0.15s;
}

.copy-dana-btn:hover { opacity: 0.85; }

/* ─── Footer ─── */
.footer {
  border-top: 1px solid var(--border);
  padding: 28px 32px;
}

.footer-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-brand {
  font-family: var(--display);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-soft);
  letter-spacing: 0.04em;
}

.footer-wm {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-soft);
  letter-spacing: 0.06em;
}

.heart { color: #FF4D4D; }

.footer-link {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-soft);
  background: none;
  border: none;
  cursor: pointer;
  letter-spacing: 0.08em;
  transition: color 0.15s;
}

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

/* ─── Responsive ─── */
@media (max-width: 640px) {
  .navbar { padding: 0 20px; }
  .hero { padding: 48px 20px 40px; }
  .container { padding: 0 20px 60px; }
  .hero-stats { width: 100%; overflow-x: auto; }
  .stat { padding: 14px 20px; }
  .endpoint-grid { grid-template-columns: 1fr; }
  .acc-header { padding: 16px 18px; }
  .footer { padding: 24px 20px; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 8px; }
}

/* ─── Donasi Section ─── */
.donasi-section {
  margin-top: 48px;
  padding-top: 48px;
  border-top: 1px solid var(--border);
}

.dana-card {
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  max-width: 360px;
}

.dana-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 20px;
}

.dana-logo span {
  font-family: var(--display);
  font-size: 18px;
  font-weight: 700;
  color: #108EE9;
}

.dana-number {
  font-family: var(--mono);
  font-size: 24px;
  font-weight: 500;
  color: var(--text);
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}

.dana-name {
  font-size: 13px;
  color: var(--text-mute);
  font-weight: 300;
  margin-bottom: 20px;
  letter-spacing: 0.04em;
}

.copy-dana-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--bg);
  background: var(--text);
  border: none;
  padding: 10px 22px;
  border-radius: 8px;
  cursor: pointer;
  transition: opacity 0.15s;
}

.copy-dana-btn:hover { opacity: 0.85; }

/* ─── Remove old popup styles no longer needed ─── */
.fab { display: none; }

/* ─── Auto-render additions ─── */
.ep-params {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 8px 0;
}
.ep-param {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid;
}
.ep-param.required {
  border-color: rgba(255,120,80,0.4);
  color: #ff9966;
  background: rgba(255,120,80,0.06);
}
.ep-param.optional {
  border-color: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.4);
  background: rgba(255,255,255,0.03);
}
.param-badge {
  opacity: 0.6;
  font-size: 9px;
  text-transform: uppercase;
}

/* Spinner for loading state */
@keyframes spin { to { transform: rotate(360deg); } }
.spin-icon { animation: spin 1s linear infinite; opacity: 0.4; }