:root {
  --bg: #0c0c0e;
  --bg-soft: #131316;
  --surface: #17171b;
  --surface-hover: #1e1e23;
  --border: #26262c;
  --border-strong: #33333b;
  --text: #f4f4f5;
  --text-dim: #a1a1aa;
  --accent: #ff7a18;
  --accent-soft: rgba(255, 122, 24, 0.12);
  --accent-glow: rgba(255, 122, 24, 0.35);
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: "Vazirmatn", -apple-system, "Segoe UI", Tahoma, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Ambient glow */
.bg-glow {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(600px 400px at 85% -5%, var(--accent-glow), transparent 60%),
    radial-gradient(500px 350px at 0% 100%, var(--accent-glow), transparent 55%);
  opacity: 0.55;
  pointer-events: none;
}

/* Hero */
.hero {
  max-width: 960px;
  margin: 0 auto;
  padding: 56px 20px 16px;
  text-align: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-soft);
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-bottom: 20px;
}

.badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.hero h1 {
  font-size: clamp(2rem, 6vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.5px;
}

.hero .accent { color: var(--accent); }

.hero .subtitle {
  margin-top: 12px;
  color: var(--text-dim);
  font-size: clamp(0.95rem, 3vw, 1.1rem);
}

/* Main / toolbar */
main {
  max-width: 960px;
  margin: 0 auto;
  padding: 28px 20px 40px;
}

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.status { color: var(--text-dim); font-size: 0.9rem; }
.status .ok { color: var(--accent); }

.btn {
  cursor: pointer;
  border: none;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.9rem;
  padding: 9px 16px;
  transition: transform 0.12s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.btn:active { transform: scale(0.96); }

.btn-ghost {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  background: var(--surface-hover);
  border-color: var(--border-strong);
}

/* Grid / cards */
.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 640px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  animation: rise 0.35s ease both;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-soft);
}

.card-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1rem;
}

.card-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 800;
  font-size: 0.85rem;
}

.card-actions { display: flex; gap: 8px; }

.icon-btn {
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-dim);
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.icon-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-soft);
}

.icon-btn svg { width: 18px; height: 18px; }

/* Content area */
.card-content {
  display: none;
  flex-direction: column;
  flex: 1;
}

.card.open .card-content {
  display: flex;
}

.card-content .pre-wrap {
  position: relative;
  max-height: 260px;
  overflow: auto;
  padding: 12px 16px;
}

.card-content pre {
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
  font-size: 0.72rem;
  line-height: 1.6;
  color: var(--text-dim);
  white-space: pre-wrap;
  word-break: break-all;
  direction: ltr;
  text-align: left;
}

.copy-cta {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  margin-top: auto;
}

.btn-primary {
  flex: 1;
  background: var(--accent);
  color: #1a0f04;
  font-weight: 700;
  box-shadow: 0 6px 20px var(--accent-glow);
}

.btn-primary:hover { background: #ff8c35; }

.loading-hint {
  color: var(--text-dim);
  font-size: 0.85rem;
  flex: 1;
}

.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid var(--border-strong);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
}

@keyframes spin { to { transform: rotate(360deg); } }

.card.loading { border-color: var(--accent); }
.card.loading .card-header { color: var(--accent); }

.error-box {
  padding: 12px 16px;
  color: #ff6b5e;
  font-size: 0.85rem;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--surface-hover);
  border: 1px solid var(--border-strong);
  color: var(--text);
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 0.9rem;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s ease;
  max-width: 90vw;
  text-align: center;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast.copied {
  border-color: var(--accent);
  color: var(--accent);
}

/* Scrollbars */
.pre-wrap::-webkit-scrollbar { width: 8px; height: 8px; }
.pre-wrap::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 8px; }
.pre-wrap::-webkit-scrollbar-track { background: transparent; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}