:root {
  color-scheme: dark;
  --bg: #07101f;
  --panel: rgba(15, 26, 52, 0.9);
  --panel-strong: rgba(12, 20, 40, 0.95);
  --line: rgba(145, 181, 255, 0.18);
  --text: #eef4ff;
  --muted: #93a5ca;
  --accent-a: #6ad8ff;
  --accent-b: #8676ff;
  --accent-c: #ff6aa7;
  --shadow: 0 28px 64px rgba(4, 8, 20, 0.42);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "SF Pro Display", "PingFang SC", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 10%, rgba(106, 216, 255, 0.18), transparent 24%),
    radial-gradient(circle at 84% 8%, rgba(255, 106, 167, 0.18), transparent 26%),
    linear-gradient(0deg, rgba(40, 68, 116, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(40, 68, 116, 0.16) 1px, transparent 1px),
    var(--bg);
  background-size: auto, auto, 34px 34px, 34px 34px, auto;
}

.shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 48px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.hero,
.panel {
  border-radius: 28px;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 18px;
  padding: 24px;
  align-items: center;
}

.hero-mark {
  width: 96px;
  height: 96px;
  border-radius: 28px;
  overflow: hidden;
}

.hero-mark img {
  display: block;
  width: 100%;
  height: 100%;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent-a);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 12px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(34px, 4vw, 58px);
  line-height: 0.98;
  letter-spacing: -0.05em;
}

.hero-text {
  margin: 12px 0 0;
  color: var(--muted);
  max-width: 760px;
  line-height: 1.8;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.hero-badges span,
.toggle,
.hint {
  color: var(--muted);
}

.hero-badges span {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  font-size: 13px;
}

.grid {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 18px;
}

.panel {
  padding: 22px;
}

.panel-head h2 {
  margin: 0;
  font-size: 20px;
  letter-spacing: -0.03em;
}

.panel-head p,
.result-info p,
.empty-state p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.dropzone {
  margin-top: 16px;
  min-height: 220px;
  border-radius: 28px;
  border: 2px dashed rgba(134, 118, 255, 0.35);
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0)), rgba(24, 37, 70, 0.82);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  gap: 12px;
  padding: 24px;
  cursor: pointer;
}

.dropzone-icon {
  width: 80px;
  height: 80px;
  border-radius: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 42px;
  background: rgba(10, 17, 33, 0.82);
  box-shadow: 0 0 30px rgba(134, 118, 255, 0.18);
}

.dropzone strong {
  font-size: 26px;
  letter-spacing: -0.04em;
}

.dropzone span {
  color: var(--muted);
}

.upload-stack {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.toggle input {
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: #8676ff;
}

.action-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.primary-btn,
.accent-btn,
.ghost-btn,
.pay-btn {
  min-height: 46px;
  padding: 0 18px;
  border: 0;
  border-radius: 14px;
  color: var(--text);
  text-decoration: none;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.primary-btn {
  background: linear-gradient(90deg, var(--accent-b), var(--accent-c));
}

.accent-btn {
  background: linear-gradient(90deg, var(--accent-a), var(--accent-b));
}

.ghost-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.stat-card {
  background: rgba(255, 255, 255, 0.03);
  border-radius: 20px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.stat-card span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.stat-card strong {
  display: block;
  margin-top: 8px;
  font-size: 32px;
  letter-spacing: -0.04em;
}

.hint {
  margin-top: 14px;
  font-size: 13px;
}

.empty-state {
  border: 1px dashed rgba(145, 181, 255, 0.28);
  border-radius: 22px;
  padding: 20px;
  background: rgba(10, 17, 34, 0.62);
}

.result-box {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 18px;
  margin-top: 16px;
}

.preview-wrap {
  min-height: 360px;
  border-radius: 24px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.preview-wrap img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: rgba(0, 0, 0, 0.16);
}

.result-info {
  padding: 12px 0;
}

.result-info h3 {
  margin: 0;
  font-size: 24px;
  letter-spacing: -0.04em;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.pricing-card {
  border-radius: 24px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.pricing-card h3 {
  margin: 0;
  font-size: 22px;
  letter-spacing: -0.04em;
}

.pricing-card .price {
  margin-top: 12px;
  font-size: 38px;
  letter-spacing: -0.05em;
}

.pricing-card p {
  color: var(--muted);
  line-height: 1.6;
}

.pay-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.pay-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.hidden {
  display: none !important;
}

@media (max-width: 980px) {
  .grid,
  .result-box,
  .pricing-grid {
    grid-template-columns: 1fr;
  }
}