:root {
  --bg: #edf3fb;
  --bg-deep: #dfe8f8;
  --ink: #18253a;
  --muted: #657792;
  --panel: rgba(255, 255, 255, 0.65);
  --panel-strong: rgba(255, 255, 255, 0.86);
  --line: rgba(102, 123, 156, 0.2);
  --line-strong: rgba(102, 123, 156, 0.3);
  --primary: #2a78ff;
  --primary-soft: rgba(42, 120, 255, 0.1);
  --success: #17b26a;
  --danger: #de5347;
  --shadow: 0 30px 70px rgba(32, 52, 83, 0.12);
  --field: rgba(255, 255, 255, 0.74);
  --notice: rgba(42, 120, 255, 0.12);
}

html[data-theme="dark"] {
  --bg: #07101c;
  --bg-deep: #0d1727;
  --ink: #f3f8ff;
  --muted: #96a8c7;
  --panel: rgba(12, 21, 35, 0.66);
  --panel-strong: rgba(14, 24, 40, 0.88);
  --line: rgba(143, 170, 214, 0.14);
  --line-strong: rgba(143, 170, 214, 0.24);
  --primary: #6aa3ff;
  --primary-soft: rgba(106, 163, 255, 0.12);
  --success: #2fd488;
  --danger: #ff7d72;
  --shadow: 0 35px 90px rgba(0, 0, 0, 0.34);
  --field: rgba(16, 28, 45, 0.86);
  --notice: rgba(106, 163, 255, 0.12);
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }

body {
  margin: 0;
  font-family: SF Pro Display, SF Pro Text, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", sans-serif;
  background: radial-gradient(circle at top left, rgba(255,255,255,0.9), transparent 26%), linear-gradient(180deg, var(--bg), var(--bg-deep));
  color: var(--ink);
  overflow-x: hidden;
}

.ambient,
.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.ambient-a {
  background: radial-gradient(circle at 15% 18%, rgba(95, 150, 255, 0.22), transparent 28%), radial-gradient(circle at 88% 78%, rgba(109, 190, 255, 0.16), transparent 26%);
  filter: blur(12px);
}

.ambient-b {
  background: radial-gradient(circle at 82% 22%, rgba(255, 255, 255, 0.55), transparent 24%), radial-gradient(circle at 20% 80%, rgba(120, 138, 255, 0.14), transparent 24%);
  filter: blur(42px);
}

.noise {
  opacity: 0.08;
  background-image: radial-gradient(circle at 20% 20%, rgba(255,255,255,0.45) 0, transparent 1px), radial-gradient(circle at 80% 40%, rgba(255,255,255,0.35) 0, transparent 1px), radial-gradient(circle at 35% 65%, rgba(255,255,255,0.3) 0, transparent 1px);
  background-size: 180px 180px;
}

.wrap {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100vw - 28px));
  margin: 24px auto 46px;
}

.glass-panel {
  background: var(--panel);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  border: 1px solid rgba(255,255,255,0.32);
  box-shadow: var(--shadow);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  border-radius: 28px;
  margin-bottom: 18px;
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--panel-strong);
  border: 1px solid var(--line);
}

.brand-mark img {
  width: 28px;
  height: 28px;
}

.brand-name {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-sub {
  margin-top: 2px;
  color: var(--muted);
  font-size: 13px;
}

.control-cluster {
  display: flex;
  align-items: center;
  gap: 10px;
}

.segmented {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border-radius: 999px;
  background: rgba(255,255,255,0.22);
  border: 1px solid var(--line);
}

.seg-btn {
  border: 0;
  border-radius: 999px;
  padding: 10px 14px;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: none;
}

.seg-btn.active {
  background: var(--panel-strong);
  color: var(--ink);
  border: 1px solid var(--line);
}

.hero-solo,
.side-card,
.form-card {
  border-radius: 32px;
  padding: 28px;
}

.hero-solo {
  margin-bottom: 18px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.hero-solo h1 {
  margin: 18px 0 12px;
  font-size: clamp(42px, 7vw, 72px);
  line-height: 0.96;
  letter-spacing: -0.06em;
}

.soft-pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.2);
  color: var(--muted);
  font-size: 12px;
}

.accent-pill {
  color: var(--primary);
  background: var(--primary-soft);
}

.content-grid {
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr);
  gap: 18px;
}

.section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.section-head h2 {
  margin: 0;
  font-size: 22px;
  letter-spacing: -0.04em;
}

.section-desc {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.guide-list {
  margin: 18px 0 0;
  padding-left: 22px;
  color: var(--muted);
  line-height: 1.75;
  font-size: 16px;
}

.guide-list a {
  color: var(--primary);
  text-decoration: none;
}

.notice-box {
  margin-top: 20px;
  border-radius: 22px;
  padding: 16px 18px;
  background: var(--notice);
  border: 1px solid var(--line);
  color: var(--primary);
  font-weight: 600;
  line-height: 1.5;
}

label {
  display: block;
  margin: 16px 0 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--field);
  color: var(--ink);
  border-radius: 22px;
  padding: 16px 18px;
  font-size: 15px;
  outline: none;
  transition: .2s ease;
}

input::placeholder,
textarea::placeholder {
  color: color-mix(in srgb, var(--muted) 84%, white 16%);
}

textarea {
  min-height: 280px;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

input:focus,
textarea:focus {
  border-color: color-mix(in srgb, var(--primary) 45%, transparent 55%);
  box-shadow: 0 0 0 6px color-mix(in srgb, var(--primary) 12%, transparent 88%);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

button {
  border: 0;
  border-radius: 18px;
  padding: 15px 22px;
  background: linear-gradient(135deg, var(--primary), color-mix(in srgb, var(--primary) 72%, white 28%));
  color: white;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 18px 35px color-mix(in srgb, var(--primary) 24%, transparent 76%);
}

button.secondary {
  background: var(--panel-strong);
  color: var(--ink);
  border: 1px solid var(--line);
  box-shadow: none;
}

button:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.progress-box {
  margin-top: 18px;
  border-radius: 22px;
  padding: 14px;
  border: 1px solid var(--line);
  background: var(--panel-strong);
}

.hidden { display: none; }

.progress-bar {
  width: 0;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, #3f8cff, #7cb2ff);
  transition: width .28s ease;
}

.progress-bar.success {
  background: linear-gradient(90deg, #12b76a, #4fd194);
}

.progress-text {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
}

.status-line {
  min-height: 24px;
  margin-top: 16px;
  font-size: 14px;
}

.status-line.ok { color: var(--success); }
.status-line.err { color: var(--danger); }

.result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.result-item {
  border-radius: 22px;
  border: 1px solid var(--line);
  background: var(--panel-strong);
  padding: 14px 16px;
}

.result-item.primary {
  background: color-mix(in srgb, var(--success) 10%, var(--panel-strong) 90%);
  border-color: color-mix(in srgb, var(--success) 20%, var(--line) 80%);
}

.result-key {
  display: block;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 6px;
}

.result-value {
  font-size: 15px;
  line-height: 1.45;
  font-weight: 700;
  word-break: break-word;
}

@media (max-width: 980px) {
  .content-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .wrap {
    width: min(100vw - 16px, 100%);
    margin: 14px auto 28px;
  }

  .topbar,
  .hero-solo,
  .side-card,
  .form-card {
    border-radius: 24px;
    padding: 18px;
  }

  .topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .control-cluster {
    justify-content: space-between;
  }

  .hero-solo h1 {
    font-size: clamp(34px, 11vw, 52px);
  }

  .result-grid {
    grid-template-columns: 1fr;
  }

  .actions {
    flex-direction: column;
  }

  button {
    width: 100%;
  }

  textarea {
    min-height: 220px;
  }
}