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

:root {
  --bg: #0b0b12;
  --card: #15151f;
  --card-2: #1c1c29;
  --border: #2a2a3a;
  --text: #e8e8f0;
  --muted: #9a9ab0;
  --accent: #8b5cf6;
  --accent-2: #ec4899;
  --grad: linear-gradient(120deg, #8b5cf6, #ec4899);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: rgba(11,11,18,.8);
  position: sticky;
  top: 0;
  backdrop-filter: blur(8px);
  z-index: 10;
}

.logo { font-weight: 800; letter-spacing: .01em; }

.header-cta {
  color: #fff;
  text-decoration: none;
  font-size: .9rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--grad);
}

main { max-width: 1060px; margin: 0 auto; padding: 24px 20px 56px; }

.hero { text-align: center; margin: 40px 0 32px; }

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.02em;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 10px;
}

.subtitle { color: var(--muted); max-width: 620px; margin: 0 auto; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 22px;
}

/* ---- tool layout ---- */
.tool-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

@media (max-width: 860px) {
  .tool-grid { grid-template-columns: 1fr; }
}

label { font-size: .88rem; font-weight: 600; color: var(--muted); display: block; margin: 14px 0 6px; }
label:first-child { margin-top: 0; }
.opt { font-weight: 400; opacity: .7; }

textarea, input[type="text"], select {
  width: 100%;
  padding: 11px 13px;
  background: var(--card-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 11px;
  font-size: .95rem;
  font-family: inherit;
  resize: vertical;
}

textarea:focus, input:focus, select:focus { outline: 2px solid var(--accent); border-color: transparent; }

.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.btn-field { display: flex; align-items: flex-end; padding-top: 4px; }

.btn {
  width: 100%;
  padding: 12px 20px;
  border: none;
  border-radius: 12px;
  background: var(--grad);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
}
.btn:hover { filter: brightness(1.1); }
.btn[disabled] { opacity: .55; cursor: wait; }

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

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 2px; }

.chip {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card-2);
  color: var(--muted);
  font-size: .85rem;
  cursor: pointer;
}
.chip.active {
  background: var(--accent-light, #241a3d);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}

.status { margin-top: 12px; font-size: .85rem; color: var(--muted); min-height: 1.4em; }

/* ---- preview ---- */
.preview { display: flex; flex-direction: column; gap: 12px; }

#canvas {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 14px;
  background: var(--card-2);
  max-height: 560px;
  object-fit: contain;
  box-shadow: 0 10px 40px rgba(0,0,0,.45);
}

.preview-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.preview-actions[hidden] { display: none; }

/* ---- content ---- */
.content { margin-top: 48px; }
.content h2 { font-size: 1.5rem; margin: 36px 0 12px; }
.lead { color: var(--muted); margin-bottom: 14px; }

.idea-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 10px; }

.idea {
  text-align: left;
  padding: 13px 15px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-size: .92rem;
  cursor: pointer;
}
.idea:hover { border-color: var(--accent); }

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.step { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 18px; }
.step h3 { font-size: 1.02rem; margin: 10px 0 6px; }
.step p { color: var(--muted); font-size: .92rem; }

.step-num {
  display: inline-flex;
  width: 30px; height: 30px;
  align-items: center; justify-content: center;
  border-radius: 999px;
  background: var(--grad);
  color: #fff;
  font-weight: 700;
}

.faq h3 { font-size: 1.05rem; margin: 20px 0 6px; }
.faq p { color: var(--muted); font-size: .95rem; }

.site-footer {
  text-align: center;
  color: var(--muted);
  font-size: .85rem;
  padding: 26px;
  border-top: 1px solid var(--border);
}