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

body.dragging * { user-select: none; }

/* ── Design tokens — dark sharp ──────────────────────────────────────────── */
:root {
  --bg:          #0d1117;
  --surface:     #161b22;
  --surface2:    #1c2128;
  --border:      #30363d;
  --border-hi:   #484f58;
  --text:        #e6edf3;
  --muted:       #8b949e;
  --accent:      #388bfd;
  --accent-h:    #58a6ff;
  --success:     #3fb950;
  --success-bg:  #0d2318;
  --fail:        #f85149;
  --fail-bg:     #2d1218;
  --warn:        #d29922;
  --warn-bg:     #2b2006;
  --tag-bg:      #1f2937;
  --mono:        'SF Mono', ui-monospace, Menlo, Consolas, 'Courier New', monospace;
}

/* ── Base ─────────────────────────────────────────────────────────────────── */
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  line-height: 1.5;
  min-height: 100vh;
}

svg {
  width: 14px;
  height: 14px;
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

/* ── App shell ────────────────────────────────────────────────────────────── */
.app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* ── Header ───────────────────────────────────────────────────────────────── */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  height: 44px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

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

.header-title {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--text);
}

.badge {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .1em;
  padding: 1px 6px;
  border: 1px solid var(--success);
  color: var(--success);
  text-transform: uppercase;
}

.header-meta {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: .02em;
}

/* ── Workspace (2-col grid) ───────────────────────────────────────────────── */
.workspace {
  display: flex;
  flex-direction: row;
  flex: 1;
  overflow: hidden;
  min-height: 0;
}

/* ── Panels ───────────────────────────────────────────────────────────────── */
.panel {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
  background: var(--surface);
  overflow: hidden;
}

#panel-response {
  border-right: none;
  flex: 1;
  min-width: 180px;
}

#panel-request {
  border-right: none;
  min-width: 180px;
  flex-shrink: 0;
  width: 400px;
}

#panel-form {
  min-width: 180px;
  flex-shrink: 0;
  width: 360px;
}

.resize-h {
  width: 4px;
  flex-shrink: 0;
  cursor: col-resize;
  background: var(--border);
  position: relative;
  z-index: 10;
  transition: background .1s;
}
.resize-h:hover,
.resize-h.dragging { background: var(--accent); }

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  height: 36px;
  border-bottom: 1px solid var(--border);
  background: var(--surface2);
  flex-shrink: 0;
}

.panel-title {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--muted);
  text-transform: uppercase;
}

.panel-body {
  padding: 16px;
  overflow-y: auto;
  flex: 1;
}

#panel-response .panel-body {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* ── Form sections ────────────────────────────────────────────────────────── */
.form-section {
  border: 1px solid var(--border);
  padding: 12px 14px 14px;
  margin-bottom: 12px;
}

.form-section-label {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--muted);
  margin-bottom: 10px;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.field { margin-top: 10px; }
.field:first-child { margin-top: 0; }

label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 5px;
}

.req { color: var(--fail); }
.opt { color: var(--border-hi); font-weight: 400; }

small {
  display: block;
  color: var(--muted);
  font-size: 11px;
  margin-top: 4px;
  font-family: var(--mono);
}

/* ── Inputs ───────────────────────────────────────────────────────────────── */
input[type="text"],
input[type="number"],
input[type="url"] {
  width: 100%;
  padding: 7px 9px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 0;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text);
  outline: none;
  transition: border-color .1s;
}

input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(56,139,253,.18);
}

input[readonly] {
  color: var(--muted);
  cursor: default;
}

input::placeholder { color: var(--border-hi); }

/* ── Input + action button row ────────────────────────────────────────────── */
.input-action-row {
  display: flex;
  gap: 0;
}

.input-action-row input { flex: 1; }

.input-action-row .icon-btn {
  padding: 0 10px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-left: none;
  color: var(--muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  transition: color .1s, background .1s;
}
.input-action-row .icon-btn:hover { background: var(--tag-bg); color: var(--text); }

.input-action-row .btn-primary {
  border-left: none;
  white-space: nowrap;
}

/* ── Amount hints ─────────────────────────────────────────────────────────── */
.amount-hints {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.hints-label {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: .1em;
  margin-right: 2px;
}

.hint-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 9px;
  font-family: var(--mono);
  font-size: 11px;
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--muted);
  cursor: pointer;
  transition: border-color .1s, color .1s;
}
.hint-btn svg { width: 12px; height: 12px; }

.hint-success { border-color: #1a3d22; }
.hint-success:hover { border-color: var(--success); color: var(--success); }

.hint-partial { border-color: #3b2c00; }
.hint-partial:hover { border-color: var(--warn); color: var(--warn); }

.hint-fail { border-color: #3d1215; }
.hint-fail:hover { border-color: var(--fail); color: var(--fail); }

/* ── Form actions ─────────────────────────────────────────────────────────── */
.form-actions {
  display: flex;
  gap: 8px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
  border-radius: 0;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background .1s, border-color .1s;
}
.btn-primary:hover { background: var(--accent-h); border-color: var(--accent-h); }
.btn-primary:disabled { background: #1f3a5f; border-color: #1f3a5f; color: #4d6b8a; cursor: not-allowed; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 0;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: color .1s, border-color .1s;
}
.btn-secondary:hover { color: var(--text); border-color: var(--border-hi); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  color: var(--muted);
  font-size: 11px;
  font-family: var(--mono);
  letter-spacing: .05em;
  cursor: pointer;
  padding: 4px 8px;
  transition: color .1s;
}
.btn-ghost:hover { color: var(--text); }

/* ── Result summary ───────────────────────────────────────────────────────── */
.result-summary {
  padding: 12px 14px;
  margin-bottom: 12px;
  font-family: var(--mono);
  font-size: 12px;
  border-left: 3px solid transparent;
}

.result-summary.success { background: var(--success-bg); border-left-color: var(--success); color: var(--text); }
.result-summary.fail    { background: var(--fail-bg);    border-left-color: var(--fail);    color: var(--text); }

.result-summary table { width: 100%; border-collapse: collapse; }
.result-summary td { padding: 3px 10px 3px 0; vertical-align: top; }
.result-summary td:first-child { color: var(--muted); white-space: nowrap; width: 1%; }

.status-check-row { margin-top: 4px; }

.status-result {
  margin-top: 10px;
  padding: 10px 12px;
  background: var(--surface2);
  border: 1px solid var(--border);
  font-size: 12px;
  font-family: var(--mono);
}

/* ── Log ──────────────────────────────────────────────────────────────────── */
.log-panel {
  background: var(--bg);
  color: var(--text);
  padding: 14px 16px;
  font-family: var(--mono);
  font-size: 12px;
  height: 100%;
  overflow-y: auto;
}

.log-empty { color: var(--border-hi); font-style: italic; }

.log-entry {
  margin-bottom: 16px;
  border-left: 2px solid var(--border);
  padding-left: 10px;
}
.log-entry:last-child { margin-bottom: 0; }

.log-ts    { color: var(--muted); font-size: 11px; margin-bottom: 3px; }
.log-label { font-weight: 700; margin-bottom: 4px; font-size: 11px; letter-spacing: .05em; }
.log-label.req  { color: #3fb950; }
.log-label.resp { color: #d29922; }
.log-label.err  { color: #f85149; }

.log-body {
  white-space: pre-wrap;
  word-break: break-all;
  color: #adbac7;
}

/* ── Status pill ──────────────────────────────────────────────────────────── */
.status-pill {
  display: inline-block;
  padding: 1px 8px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.status-pill.Processing   { background: #0c2042; color: #58a6ff; }
.status-pill.Success      { background: var(--success-bg); color: var(--success); }
.status-pill.PartialSuccess { background: var(--warn-bg); color: var(--warn); }
.status-pill.Fail         { background: var(--fail-bg); color: var(--fail); }
.status-pill.Rejected     { background: var(--fail-bg); color: var(--fail); }
.status-pill.Reversed     { background: var(--warn-bg); color: var(--warn); }

/* Response panel */
#response-body {
  display: flex;
  flex-direction: column;
  padding: 0;
  gap: 0;
  overflow: hidden;
  height: 100%;
}

.response-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--surface2);
  flex-shrink: 0;
  flex-wrap: wrap;
}

.response-status {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  padding: 2px 8px;
  flex-shrink: 0;
}
.response-status.ok  { background: var(--success-bg); color: var(--success); }
.response-status.err { background: var(--fail-bg);    color: var(--fail); }

.response-wid-label {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: .06em;
  text-transform: uppercase;
  flex-shrink: 0;
}

.response-json {
  flex: 1;
  margin: 0;
  padding: 14px 16px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-all;
  overflow-y: auto;
  background: var(--bg);
  color: var(--text);
  border-left: 2px solid transparent;
}
.response-json.ok  { border-left-color: var(--success); }
.response-json.err { border-left-color: var(--fail); color: var(--fail); }
.panel-header-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Editable request body textarea */
.request-body {
  flex: 1;
  min-height: 0;
  width: 100%;
  background: var(--bg);
  color: var(--text);
  border: none;
  border-top: 2px solid transparent;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.6;
  padding: 14px 16px;
  resize: none;
  outline: none;
  caret-color: var(--accent);
  display: block;
  tab-size: 2;
}
.request-body:focus { background: #0a0e14; }
.request-body.dirty { border-top-color: var(--warn); }

/* Log bar (bottom collapsible) */
.log-bar {
  flex-shrink: 0;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  height: 200px;
  overflow: hidden;
  transition: height 0.18s ease;
}
.log-bar.collapsed { height: 36px; }

.resize-v {
  height: 4px;
  width: 100%;
  flex-shrink: 0;
  cursor: row-resize;
  background: var(--border);
  transition: background .1s;
}
.resize-v:hover,
.resize-v.dragging { background: var(--accent); }

.log-bar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 36px;
  flex-shrink: 0;
  border-bottom: 1px solid var(--border);
  background: var(--surface2);
  padding-right: 8px;
}

.log-toggle-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 0 16px;
  height: 100%;
  transition: color .1s;
}
.log-toggle-btn:hover { color: var(--text); }

.log-count {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--border-hi);
  letter-spacing: .05em;
}

/* Tab nav */
.tab-nav {
  display: flex;
  align-items: stretch;
  height: 100%;
  gap: 0;
}

.tab-btn {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  padding: 0 18px;
  cursor: pointer;
  transition: color .1s, border-color .1s;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--text); border-bottom-color: var(--accent); }

/* Deposit response panel mirrors payout */
#panel-deposit-response { border-right: none; flex: 1; min-width: 180px; }
#panel-deposit-request  { border-right: none; min-width: 180px; flex-shrink: 0; width: 400px; }
#panel-deposit-form     { min-width: 180px; flex-shrink: 0; width: 360px; }

/* Payment page link in response */
.payment-page-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 12px;
  text-decoration: none;
  padding: 6px 10px;
  border: 1px solid var(--accent);
  margin-top: 10px;
}
.payment-page-link:hover { background: rgba(56,139,253,.1); }

/* ── Settings panel ───────────────────────────────────────────────────────── */
.workspace-settings {
  align-items: flex-start;
  padding: 24px;
  overflow-y: auto;
}

.settings-panel {
  width: 100%;
  max-width: 680px;
  flex: none;
}

.settings-msg {
  font-family: var(--mono);
  font-size: 12px;
  transition: color .15s;
}
.settings-msg.ok  { color: var(--success); }
.settings-msg.err { color: var(--fail); }

.muted-note {
  color: var(--muted);
  font-size: 12px;
}
.muted-note code {
  font-family: var(--mono);
  color: var(--text);
  background: var(--surface2);
  padding: 1px 4px;
  border: 1px solid var(--border);
}

/* ── Language toggle ─────────────────────────────────────────────────────── */
.lang-toggle {
  display: flex;
  gap: 0;
  border: 1px solid var(--border);
  width: fit-content;
}

.lang-btn {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  padding: 5px 16px;
  background: var(--surface2);
  color: var(--muted);
  border: none;
  cursor: pointer;
  border-right: 1px solid var(--border);
}
.lang-btn:last-child { border-right: none; }
.lang-btn:hover { color: var(--text); background: var(--surface); }
.lang-btn.active { background: var(--accent); color: #fff; }