:root {
  --bg: #0e0f13;
  --panel: #16181f;
  --panel-2: #1c1f28;
  --border: #2a2e3a;
  --text: #e7e9ee;
  --muted: #9aa0ae;
  --accent: #e1306c; /* Instagram magenta */
  --accent-2: #f77737;
  --ok: #2ecc71;
  --err: #ff5d5d;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

/* Ensure the `hidden` attribute always wins over element display rules
   (e.g. .empty-state uses display:flex, which would otherwise override it). */
[hidden] { display: none !important; }

/* Dark-theme scrollbars (Firefox + WebKit/Blink) */
* { scrollbar-width: thin; scrollbar-color: var(--border) transparent; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 999px;
  border: 2px solid transparent;
  background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover {
  background: #3b4150;
  background-clip: padding-box;
}
::-webkit-scrollbar-corner { background: transparent; }

body {
  margin: 0;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Topbar ------------------------------------------------------------------ */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 22px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo {
  font-size: 26px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.topbar h1 { margin: 0; font-size: 16px; font-weight: 650; }
.subtitle { margin: 0; font-size: 12px; color: var(--muted); }

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

.balance {
  font-family: var(--sans);
  font-size: 12.5px;
  color: var(--text);
  padding: 5px 13px;
  border-radius: 999px;
  border: 1px solid rgba(247, 119, 55, 0.35);
  background: rgba(247, 119, 55, 0.1);
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.15s;
}
.balance b { color: var(--accent-2); font-weight: 700; }
.balance:hover { border-color: var(--accent-2); }
.balance.loading { opacity: 0.5; }
.balance.bad {
  border-color: rgba(255, 93, 93, 0.4);
  background: rgba(255, 93, 93, 0.08);
  color: var(--muted);
}

.token-status {
  font-size: 12px;
  padding: 5px 11px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
}
.token-status.ok { color: var(--ok); border-color: rgba(46, 204, 113, 0.4); }
.token-status.bad { color: var(--err); border-color: rgba(255, 93, 93, 0.4); }

/* Layout ------------------------------------------------------------------ */
.layout { flex: 1; display: flex; min-height: 0; }

.sidebar {
  width: 280px;
  border-right: 1px solid var(--border);
  background: var(--panel);
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.platform-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 12px 12px 0;
}
.platform-tab {
  flex: 1 1 calc(33.333% - 4px); /* 3 per row → 6 tabs wrap onto two rows */
  min-width: 0;
  padding: 8px 6px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
}
.platform-tab svg { width: 17px; height: 17px; flex: none; }
.platform-tab:hover { color: var(--text); border-color: #3b4150; }
.platform-tab.active {
  color: #fff;
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.tab-count {
  font-size: 10.5px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  padding: 0 6px;
  line-height: 16px;
}
.platform-tab:not(.active) .tab-count {
  background: var(--bg);
  color: var(--muted);
}

.filter {
  margin: 14px;
  padding: 9px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  font-size: 13px;
  outline: none;
}
.filter:focus { border-color: var(--accent); }

.endpoint-list { overflow-y: auto; padding: 0 8px 16px; }
.group-label {
  padding: 12px 12px 6px;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.endpoint-item {
  width: 100%;
  text-align: left;
  padding: 8px 12px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--text);
  font-size: 13.5px;
  cursor: pointer;
  display: block;
}
.endpoint-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.item-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.item-cost {
  flex: none;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 1px 7px;
}
.endpoint-item:hover { background: var(--panel-2); }
.endpoint-item:hover .item-cost { border-color: var(--accent); }
.endpoint-item.active {
  background: linear-gradient(135deg, rgba(225, 48, 108, 0.18), rgba(247, 119, 55, 0.14));
  color: #fff;
  box-shadow: inset 2px 0 0 var(--accent);
}

/* Content ----------------------------------------------------------------- */
.content { flex: 1; overflow-y: auto; padding: 26px 30px; min-width: 0; }
.empty-state {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
}
.fatal {
  max-width: 460px;
  text-align: center;
  color: var(--text);
}
.fatal h2 { color: var(--err); font-size: 17px; margin: 0 0 10px; }
.fatal p { color: var(--muted); font-size: 13.5px; line-height: 1.5; margin: 0; }

.request-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 22px;
  max-width: 760px;
}
.request-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.method {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  padding: 3px 9px;
  border-radius: 6px;
}
.path { font-family: var(--mono); font-size: 14px; color: var(--text); }
.doc-link {
  margin-left: auto;
  font-size: 12px;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 10px;
  white-space: nowrap;
}
.doc-link:hover { color: var(--text); border-color: var(--accent); }
.cost-badge {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-2);
  background: rgba(247, 119, 55, 0.12);
  border: 1px solid rgba(247, 119, 55, 0.35);
  border-radius: 999px;
  padding: 3px 10px;
  white-space: nowrap;
}
.endpoint-desc { color: var(--muted); font-size: 13px; margin: 10px 0 6px; }
.cost-estimate {
  margin: 0 0 16px;
  font-size: 12.5px;
  color: var(--accent-2);
}

.fields { display: flex; flex-direction: column; gap: 16px; }
.field label { display: block; font-size: 13px; margin-bottom: 5px; }
.field .req { color: var(--accent); margin-left: 3px; }
.field .help { color: var(--muted); font-size: 12px; margin-top: 4px; }
.field input[type="text"],
.field input[type="number"],
.field select {
  width: 100%;
  padding: 9px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  font-size: 13.5px;
  outline: none;
}
.field input:focus,
.field select:focus { border-color: var(--accent); }

/* Selects: drop the native chrome and draw a themed caret so they match the
   text inputs. `color-scheme: dark` also darkens the native option popup. */
.field select {
  appearance: none;
  -webkit-appearance: none;
  color-scheme: dark;
  cursor: pointer;
  padding-right: 34px;
  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='%239aa0ae' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}
.field select:hover { border-color: #3b4150; }
.field.checkbox { display: flex; align-items: center; gap: 8px; }
.field.checkbox label { margin: 0; }

.actions { display: flex; align-items: center; gap: 14px; margin-top: 22px; }
.send-btn {
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  cursor: pointer;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.send-btn:disabled { opacity: 0.55; cursor: progress; }
.send-hint { font-size: 12px; color: var(--muted); }

/* Response ---------------------------------------------------------------- */
.response-panel {
  margin-top: 22px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  max-width: 760px;
  overflow: hidden;
}
.response-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.response-meta { display: flex; align-items: center; gap: 12px; }
.status-badge {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 6px;
}
.status-badge.ok { color: var(--ok); background: rgba(46, 204, 113, 0.12); }
.status-badge.err { color: var(--err); background: rgba(255, 93, 93, 0.12); }
.duration { font-size: 12px; color: var(--muted); }
.resp-cost { font-size: 12px; color: var(--accent-2); font-family: var(--mono); }
.copy-btn {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 7px;
  padding: 6px 12px;
  font-size: 12px;
  cursor: pointer;
}
.copy-btn:hover { border-color: var(--accent); }
.response-body {
  margin: 0;
  padding: 16px;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--text);
  overflow-x: auto;
  max-height: 60vh;
  white-space: pre;
}