:root {
  color-scheme: dark;
  --bg: #0f172a;
  --bg-soft: #16213c;
  --panel: rgba(15, 23, 42, 0.88);
  --line: rgba(148, 163, 184, 0.2);
  --text: #e2e8f0;
  --muted: #94a3b8;
  --primary: #38bdf8;
  --primary-strong: #0ea5e9;
  --success: #22c55e;
  --danger: #f87171;
  --warning: #f59e0b;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top right, rgba(56, 189, 248, 0.22), transparent 26%),
    linear-gradient(180deg, #020617 0%, #0f172a 100%);
  color: var(--text);
}

body,
.form-control,
.form-select,
.btn {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
select,
textarea {
  font: inherit;
}

.app-shell {
  display: grid;
  grid-template-columns: 320px 1fr;
  min-height: 100vh;
}

.sidebar {
  padding: 32px;
  border-right: 1px solid var(--line);
  background: rgba(2, 6, 23, 0.78);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.sidebar h1,
.page-header h2,
.panel-header h3 {
  margin: 0;
}

.sidebar-copy,
.notice-box,
.status-box p,
.empty-state,
.flash,
.result-box,
.eyebrow {
  color: var(--muted);
}

.eyebrow {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 12px;
}

.status-box,
.panel,
.flash {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--panel);
  backdrop-filter: blur(14px);
}

.status-box {
  padding: 18px;
  display: flex;
  gap: 14px;
  align-items: center;
}

.status-dot {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: var(--success);
  box-shadow: 0 0 18px rgba(34, 197, 94, 0.45);
}

.content {
  padding: 32px;
}

.api-alert {
  color: #dbeafe;
  border-color: rgba(56, 189, 248, 0.28);
  background: rgba(8, 47, 73, 0.72);
}

.page-header,
.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.flash {
  padding: 16px 18px;
  margin-bottom: 20px;
}

.flash.success {
  border-color: rgba(34, 197, 94, 0.45);
  color: #dcfce7;
}

.flash.error {
  border-color: rgba(248, 113, 113, 0.45);
  color: #fee2e2;
}

.panel {
  padding: 24px;
}

.auth-panel {
  max-width: 520px;
}

.grid {
  display: grid;
  gap: 20px;
  margin-bottom: 20px;
}

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

.form-grid,
.send-grid {
  display: grid;
  gap: 16px;
}

.compact-form {
  margin-top: 16px;
}

label {
  display: grid;
  gap: 8px;
}

label span {
  font-size: 14px;
  color: var(--muted);
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 14px;
  background: rgba(15, 23, 42, 0.85);
  color: var(--text);
  padding: 14px 16px;
  outline: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(56, 189, 248, 0.9);
  box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.14);
}

textarea {
  resize: vertical;
}

.primary-button,
.ghost-button {
  border: 0;
  border-radius: 14px;
  padding: 14px 18px;
  cursor: pointer;
  transition: 0.2s ease;
}

.primary-button {
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: #082f49;
  font-weight: 700;
}

.primary-button:hover,
.ghost-button:hover {
  transform: translateY(-1px);
}

.ghost-button {
  background: rgba(148, 163, 184, 0.1);
  color: var(--text);
  border: 1px solid rgba(148, 163, 184, 0.2);
}

.notice-box,
.result-box {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(15, 23, 42, 0.72);
  border: 1px solid var(--line);
}

.result-box {
  color: var(--text);
}

.docs-grid {
  display: grid;
  gap: 16px;
}

.api-step-grid {
  margin: 0;
}

.guide-card {
  padding: 18px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(15, 23, 42, 0.72);
}

.guide-card h4 {
  margin: 0 0 10px;
  font-size: 18px;
}

.guide-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.guide-step {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.18);
  color: #7dd3fc;
  font-weight: 700;
  margin-bottom: 12px;
}

.api-accordion .accordion-item {
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  background: rgba(15, 23, 42, 0.72);
}

.api-accordion .accordion-button,
.api-accordion .accordion-body {
  background: rgba(15, 23, 42, 0.72);
  color: var(--text);
}

.api-accordion .accordion-button:not(.collapsed) {
  background: rgba(30, 41, 59, 0.95);
  color: #f8fafc;
  box-shadow: none;
}

.api-accordion .accordion-button:focus {
  box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.14);
}

.api-accordion .accordion-button::after {
  filter: invert(1);
}

.api-guide-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.7;
}

.api-guide-list.ordered {
  padding-left: 20px;
}

.quick-info {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.quick-info div {
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(15, 23, 42, 0.72);
  display: grid;
  gap: 8px;
}

.quick-info span {
  font-size: 13px;
  color: var(--muted);
}

.code-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(15, 23, 42, 0.72);
  overflow: hidden;
}

.code-header {
  padding: 14px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}

.code-block {
  margin: 0;
  padding: 18px 16px;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
  color: #dbeafe;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 13px;
  line-height: 1.6;
}

.code-block.compact {
  padding: 0;
  background: transparent;
}

.result-box img {
  display: block;
  width: 220px;
  max-width: 100%;
  margin-top: 16px;
  border-radius: 16px;
  background: #fff;
  padding: 12px;
}

.key-value-list {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}

.key-value-list div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}

.key-value-list span {
  color: var(--muted);
}

.table-wrap {
  overflow-x: auto;
  margin-top: 16px;
}

table {
  width: 100%;
  border-collapse: collapse;
}

.table {
  --bs-table-bg: transparent;
  --bs-table-striped-bg: rgba(15, 23, 42, 0.45);
  --bs-table-hover-bg: rgba(30, 41, 59, 0.75);
  --bs-table-color: var(--text);
  --bs-table-border-color: rgba(148, 163, 184, 0.12);
}

th,
td {
  padding: 12px 10px;
  text-align: left;
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}

th {
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.message-field {
  grid-column: 1 / -1;
}

.hidden {
  display: none !important;
}

@media (max-width: 1100px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 760px) {
  .content,
  .sidebar {
    padding: 20px;
  }

  .two-columns {
    grid-template-columns: 1fr;
  }

  .quick-info {
    grid-template-columns: 1fr;
  }
}