:root {
  --bg: #0f1115;
  --card-bg: #171a21;
  --accent: #3ddc97;
  --accent-dark: #2bb37c;
  --text: #e8e8ea;
  --text-dim: #9ca0ab;
  --border: #262a33;
  --error: #ff6b6b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Cairo', sans-serif;
  background: radial-gradient(circle at top, #1b1f27 0%, var(--bg) 60%);
  color: var(--text);
  min-height: 100vh;
}

.page {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 48px 16px;
  min-height: 100vh;
}

.card {
  width: 100%;
  max-width: 620px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

header {
  text-align: center;
  margin-bottom: 28px;
}

h1 {
  margin: 0;
  font-size: 2rem;
  letter-spacing: 2px;
  background: linear-gradient(90deg, var(--accent), #5eead4);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.subtitle {
  color: var(--text-dim);
  margin-top: 6px;
  font-size: 0.95rem;
}

.field-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--text-dim);
  font-size: 0.9rem;
}

textarea {
  width: 100%;
  background: #10131a;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
  resize: vertical;
}

textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.examples {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0;
}

.example-chip {
  background: #1d222c;
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.85rem;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s ease;
}

.example-chip:hover {
  border-color: var(--accent);
  color: var(--text);
}

.controls {
  margin: 20px 0 8px;
}

.controls label {
  font-size: 0.9rem;
  color: var(--text-dim);
}

input[type='range'] {
  width: 100%;
  accent-color: var(--accent);
  margin-top: 8px;
}

.generate-btn {
  width: 100%;
  margin-top: 20px;
  padding: 14px;
  border: none;
  border-radius: 10px;
  background: var(--accent);
  color: #06231a;
  font-weight: 700;
  font-size: 1rem;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s ease;
}

.generate-btn:hover:not(:disabled) {
  background: var(--accent-dark);
}

.generate-btn:disabled {
  opacity: 0.6;
  cursor: wait;
}

.error {
  margin-top: 16px;
  color: var(--error);
  background: rgba(255, 107, 107, 0.08);
  border: 1px solid rgba(255, 107, 107, 0.3);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 0.9rem;
}

.output {
  margin-top: 24px;
  background: #10131a;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
}

.output h2 {
  margin: 0 0 8px;
  font-size: 0.85rem;
  color: var(--text-dim);
  font-weight: 600;
}

.output p {
  margin: 0;
  font-size: 1.15rem;
  line-height: 1.9;
}

.note {
  margin-top: 20px;
  font-size: 0.8rem;
  color: var(--text-dim);
  text-align: center;
}