/* ==========================================================================
 * PLAYGROUND.CSS — VietFuelAPI Custom API Tester
 * ========================================================================== */

/* ── Hero ──────────────────────────────────────────────────── */
.playground-page .main-content { padding-top: 0; }

.pg-hero {
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(255,140,0,.04) 100%);
  border-bottom: 1px solid var(--border);
  padding: 2.5rem 0 2rem;
}
.pg-hero-inner {
  display: flex;
  flex-direction: column;
  gap: .7rem;
}
.pg-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  background: rgba(255,140,0,.08);
  border: 1px solid rgba(255,140,0,.2);
  border-radius: 20px;
  padding: .25rem .75rem;
  font-size: .72rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: .04em;
  width: fit-content;
}
.pg-hero-title {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--text-primary);
  margin: 0;
}
.pg-hero-sub {
  color: var(--text-muted);
  font-size: .92rem;
  max-width: 56ch;
  margin: 0;
}

/* ── Layout ────────────────────────────────────────────────── */
.pg-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 1.5rem;
  padding-top: 1.5rem;
  padding-bottom: 3rem;
  align-items: start;
}
@media (max-width: 820px) {
  .pg-layout { grid-template-columns: 1fr; }
  .pg-sidebar { order: 2; }
  .pg-main   { order: 1; }
}

/* ── Sidebar ───────────────────────────────────────────────── */
.pg-sidebar {
  position: sticky;
  top: calc(var(--header-h, 64px) + 1.5rem);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}
.pg-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .9rem 1rem;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,.02);
}
.pg-sidebar-title {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--text-muted);
  text-transform: uppercase;
}
.pg-sidebar-count {
  font-size: .68rem;
  font-weight: 700;
  background: rgba(255,140,0,.15);
  color: var(--accent);
  border-radius: 10px;
  padding: .1rem .5rem;
}
.pg-endpoint-nav {
  display: flex;
  flex-direction: column;
  padding: .5rem 0;
  max-height: calc(100vh - 220px);
  overflow-y: auto;
}
.pg-ep-group-label {
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--text-muted);
  padding: .9rem 1rem .3rem;
  opacity: .55;
}
.pg-ep-btn {
  display: grid;
  grid-template-columns: 38px 1fr;
  grid-template-rows: auto auto;
  align-items: center;
  gap: 0 .5rem;
  padding: .55rem 1rem;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: background .15s;
  border-left: 2px solid transparent;
}
.pg-ep-btn:hover { background: rgba(255,255,255,.04); }
.pg-ep-btn.active {
  background: rgba(255,140,0,.07);
  border-left-color: var(--accent);
}
.pg-ep-method {
  grid-row: 1 / 3;
  font-size: .58rem;
  font-weight: 800;
  letter-spacing: .05em;
  border-radius: 4px;
  padding: .2rem .35rem;
  text-align: center;
}
.pg-ep-method.get {
  background: rgba(34,197,94,.15);
  color: #4ade80;
}
.pg-ep-path {
  font-family: var(--font-mono, monospace);
  font-size: .72rem;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}
.pg-ep-desc {
  font-size: .65rem;
  color: var(--text-muted);
  line-height: 1.2;
}

/* ── Main Panel ────────────────────────────────────────────── */
.pg-main { display: flex; flex-direction: column; gap: 1rem; }

/* ── Cards ─────────────────────────────────────────────────── */
.pg-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}
.pg-card-header {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .85rem 1.1rem;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,.02);
  flex-wrap: wrap;
}
.pg-card-title {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .07em;
  color: var(--text-muted);
  text-transform: uppercase;
  flex: 0 0 auto;
}
.pg-base-url-chip {
  display: flex;
  align-items: center;
  gap: .4rem;
  margin-left: auto;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .2rem .6rem;
}
.pg-base-label {
  font-size: .58rem;
  font-weight: 800;
  letter-spacing: .08em;
  color: var(--text-muted);
}
.pg-base-value {
  font-family: var(--font-mono, monospace);
  font-size: .72rem;
  color: var(--accent);
}

/* ── Request Row ───────────────────────────────────────────── */
.pg-request-row {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .9rem 1.1rem;
}
.pg-method-badge {
  background: rgba(34,197,94,.15);
  color: #4ade80;
  font-size: .65rem;
  font-weight: 800;
  letter-spacing: .06em;
  border-radius: 6px;
  padding: .35rem .7rem;
  white-space: nowrap;
  flex: 0 0 auto;
}
.pg-url-wrap { flex: 1; min-width: 0; }
.pg-url-input {
  width: 100%;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .55rem .9rem;
  font-family: var(--font-mono, monospace);
  font-size: .82rem;
  color: var(--text-primary);
  outline: none;
  transition: border-color .2s;
}
.pg-url-input:focus { border-color: var(--accent); }
.pg-send-btn {
  display: flex;
  align-items: center;
  gap: .4rem;
  background: var(--accent);
  color: #000;
  border: none;
  border-radius: 8px;
  padding: .55rem 1.2rem;
  font-size: .82rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity .15s, transform .1s;
  flex: 0 0 auto;
}
.pg-send-btn:hover { opacity: .9; }
.pg-send-btn:active { transform: scale(.97); }
.pg-send-btn.loading { opacity: .65; pointer-events: none; }
.pg-send-btn.loading svg { animation: pg-spin .8s linear infinite; }
@keyframes pg-spin { to { transform: rotate(360deg); } }

/* ── Params Panel ──────────────────────────────────────────── */
.pg-params-panel {
  padding: 0 1.1rem .9rem;
  border-top: 1px solid var(--border);
}
.pg-params-inner {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  padding-top: .8rem;
}
.pg-param-row {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: .5rem;
  align-items: center;
}
.pg-param-label {
  font-size: .75rem;
  font-weight: 600;
  color: var(--text-muted);
  font-family: var(--font-mono, monospace);
}
.pg-param-label .pg-required {
  color: var(--accent);
  margin-left: 2px;
}
.pg-param-input, .pg-param-select {
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .38rem .7rem;
  font-size: .8rem;
  color: var(--text-primary);
  outline: none;
  font-family: var(--font-mono, monospace);
  transition: border-color .2s;
}
.pg-param-input:focus, .pg-param-select:focus { border-color: var(--accent); }
.pg-param-select option { background: #1a1a1a; }

/* ── Endpoint Info ─────────────────────────────────────────── */
.pg-ep-info {
  padding: .6rem 1.1rem .8rem;
  border-top: 1px solid rgba(255,255,255,.05);
}
.pg-ep-info-badge {
  display: inline-flex;
  align-items: flex-start;
  gap: .5rem;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 8px;
  padding: .5rem .75rem;
  font-size: .77rem;
  color: var(--text-muted);
  line-height: 1.5;
}
.pg-ep-info-badge svg { flex-shrink: 0; margin-top: 2px; }

/* ── Response Body ─────────────────────────────────────────── */
.pg-response-meta {
  display: flex;
  align-items: center;
  gap: .6rem;
  margin-left: auto;
}
.pg-status-badge {
  font-size: .72rem;
  font-weight: 700;
  border-radius: 6px;
  padding: .18rem .55rem;
}
.pg-status-badge.ok   { background: rgba(34,197,94,.15); color: #4ade80; }
.pg-status-badge.err  { background: rgba(239,68,68,.15); color: #f87171; }
.pg-status-badge.warn { background: rgba(251,191,36,.15); color: #fbbf24; }
.pg-response-time, .pg-response-size {
  font-size: .7rem;
  color: var(--text-muted);
  font-family: var(--font-mono, monospace);
}
.pg-response-actions { display: flex; gap: .4rem; margin-left: auto; }
.pg-action-btn {
  display: flex;
  align-items: center;
  gap: .3rem;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .28rem .65rem;
  font-size: .72rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: background .15s, color .15s;
}
.pg-action-btn:hover { background: rgba(255,255,255,.09); color: var(--text-primary); }
.pg-action-btn.copied { color: #4ade80; }

.pg-response-body {
  font-family: var(--font-mono, monospace);
  font-size: .78rem;
  line-height: 1.6;
  max-height: 520px;
  overflow-y: auto;
  padding: 1.1rem;
  color: var(--text-primary);
}
.pg-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .8rem;
  padding: 3rem 1rem;
  color: var(--text-muted);
  font-family: var(--font-sans, sans-serif);
  font-size: .85rem;
  text-align: center;
}
.pg-loading-state {
  display: flex;
  align-items: center;
  gap: .8rem;
  padding: 2rem;
  color: var(--text-muted);
  font-family: var(--font-sans, sans-serif);
  font-size: .85rem;
}
.pg-spinner {
  width: 18px; height: 18px;
  border: 2px solid rgba(255,140,0,.2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: pg-spin .7s linear infinite;
  flex-shrink: 0;
}

/* JSON Syntax Highlight */
.pg-json { white-space: pre-wrap; word-break: break-all; }
.pg-json .jk { color: #93c5fd; } /* key    */
.pg-json .js { color: #86efac; } /* string */
.pg-json .jn { color: #fca5a5; } /* number */
.pg-json .jb { color: #c084fc; } /* bool   */
.pg-json .jnl{ color: var(--text-muted); } /* null  */

/* ── Code Snippets ─────────────────────────────────────────── */
.pg-snippet-tabs { display: flex; gap: .25rem; margin-left: auto; }
.pg-tab {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .25rem .65rem;
  font-size: .72rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all .15s;
}
.pg-tab.active, .pg-tab:hover {
  background: rgba(255,140,0,.12);
  border-color: rgba(255,140,0,.3);
  color: var(--accent);
}
.pg-snippet-body { position: relative; }
.pg-snippet-content { display: none; }
.pg-snippet-content.active { display: block; }
.pg-snippet-pre {
  font-family: var(--font-mono, monospace);
  font-size: .79rem;
  line-height: 1.65;
  color: var(--text-primary);
  padding: 1.1rem;
  margin: 0;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 220px;
  overflow-y: auto;
}
.pg-snippet-copy {
  position: absolute;
  top: .6rem;
  right: .6rem;
  display: flex;
  align-items: center;
  gap: .3rem;
  background: rgba(255,255,255,.07);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .25rem .6rem;
  font-size: .7rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: all .15s;
}
.pg-snippet-copy:hover { color: var(--text-primary); background: rgba(255,255,255,.12); }
.pg-snippet-copy.copied { color: #4ade80; }