:root {
  --bg: #f7f4ff;
  --surface: rgba(255, 255, 255, 0.8);
  --surface-strong: #ffffff;
  --text: #24163b;
  --muted: #665b84;
  --line: rgba(114, 82, 181, 0.16);
  --accent: #6f3cff;
  --accent-dark: #5425cf;
  --accent-soft: #efe7ff;
  --highlight: #ffd84d;
  --highlight-strong: #ffca1b;
  --success: #156f52;
  --danger: #a32855;
  --shadow: 0 20px 50px rgba(60, 31, 122, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Avenir Next", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 216, 77, 0.4), transparent 22%),
    radial-gradient(circle at top right, rgba(111, 60, 255, 0.18), transparent 28%),
    linear-gradient(180deg, #fcfbff 0%, var(--bg) 52%, #fdf8df 100%);
}

a {
  color: inherit;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(111, 60, 255, 0.1);
  background: rgba(255, 255, 255, 0.76);
  backdrop-filter: blur(18px);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 72px;
}

.brand {
  font-size: 1.25rem;
  font-weight: 800;
  text-decoration: none;
  letter-spacing: -0.03em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.main-nav a,
.link-button {
  text-decoration: none;
  font: inherit;
  color: inherit;
  font-weight: 600;
}

.inline-form {
  display: inline;
}

.link-button {
  background: transparent;
  border: 0;
  cursor: pointer;
  padding: 0;
}

.page-shell {
  padding: 2rem 0 4rem;
}

.hero {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1.5rem;
  align-items: stretch;
  padding: 2rem 0 1rem;
}

.eyebrow {
  margin: 0 0 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
}

h1,
h2,
h3,
p,
ul {
  margin-top: 0;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 0.95;
  margin-bottom: 1rem;
  letter-spacing: -0.06em;
}

.lede {
  font-size: 1.08rem;
  max-width: 42rem;
  color: var(--muted);
  line-height: 1.7;
}

.hero-actions,
.deck-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.feature-card,
.panel,
.stat-card,
.narrow-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.feature-card,
.panel,
.narrow-panel {
  padding: 1.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.25rem;
  border-radius: 999px;
  border: 0;
  text-decoration: none;
  font: inherit;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: #201042;
  background: linear-gradient(135deg, var(--highlight) 0%, var(--highlight-strong) 100%);
  box-shadow: 0 12px 28px rgba(255, 202, 27, 0.28);
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 34px rgba(255, 202, 27, 0.36);
}

.button-secondary {
  background: linear-gradient(135deg, var(--accent-soft) 0%, #e4d6ff 100%);
  color: var(--accent-dark);
  box-shadow: 0 12px 28px rgba(111, 60, 255, 0.12);
}

.button-danger {
  background: linear-gradient(135deg, #ffb6cb 0%, #ff81a9 100%);
  color: #4e0f2d;
  box-shadow: 0 12px 28px rgba(163, 40, 85, 0.18);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.stat-card {
  padding: 1.25rem;
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: "";
  position: absolute;
  inset: auto -20px -20px auto;
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 216, 77, 0.35) 0%, rgba(255, 216, 77, 0) 72%);
}

.stat-value {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-dark);
}

.stat-link {
  display: block;
  text-decoration: none;
}

.stat-label,
.muted,
.helper-text {
  color: var(--muted);
}

.account-header,
.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.account-header {
  margin-bottom: 1.25rem;
}

.grid-two {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.stack-form {
  display: grid;
  gap: 1rem;
}

.preview-picker {
  display: flex;
  align-items: end;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.preview-picker-label {
  font-size: 0.95rem;
}

label {
  display: grid;
  gap: 0.45rem;
  font-weight: 600;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 0.85rem 1rem;
  font: inherit;
  background: var(--surface-strong);
  color: var(--text);
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: rgba(111, 60, 255, 0.35);
  box-shadow: 0 0 0 4px rgba(111, 60, 255, 0.12);
}

.alert {
  margin: 1rem 0;
  padding: 1rem 1.2rem;
  border-radius: 16px;
  border: 1px solid transparent;
}

.alert-error {
  background: #fff0f5;
  color: #6f1840;
  border-color: rgba(163, 40, 85, 0.18);
}

.alert-success {
  background: #eefbf3;
  color: var(--success);
  border-color: rgba(21, 111, 82, 0.18);
}

.deck-list {
  display: grid;
  gap: 1rem;
}

.deck-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}

.deck-item:first-child {
  border-top: 0;
  padding-top: 0;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.card-preview-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 1.25rem;
  align-items: start;
}

.web-card-preview {
  position: relative;
  width: min(520px, 100%);
  aspect-ratio: 1;
  margin: 0 auto;
  border-radius: 50%;
  border: 6px solid #ffffff;
  outline: 3px solid #f3d44d;
  background: #ffffff;
  box-shadow: 0 20px 40px rgba(60, 31, 122, 0.14);
}

.card-symbol {
  position: absolute;
}

.card-symbol img,
.card-symbol-placeholder {
  width: 100%;
  height: 100%;
  display: block;
}

.card-symbol img {
  object-fit: contain;
}

.symbol-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.symbol-card {
  padding: 1rem;
  border-radius: 18px;
  background: linear-gradient(180deg, #ffffff 0%, #fbf7ff 100%);
  border: 1px solid var(--line);
}

.symbol-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
}

.symbol-preview {
  margin: 0.75rem 0 1rem;
}

.symbol-image,
.symbol-placeholder {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #fffdf4 0%, #f7f1ff 100%);
}

.symbol-image {
  object-fit: cover;
  display: block;
}

.symbol-placeholder {
  display: grid;
  place-items: center;
  color: var(--muted);
  font-weight: 700;
}

.inline-action {
  margin-top: 0.75rem;
}

.preview-card {
  padding: 1rem;
  border-radius: 18px;
  background: linear-gradient(180deg, #ffffff 0%, #fbf7ff 100%);
  border: 1px solid var(--line);
}

.narrow-panel {
  width: min(560px, 100%);
  margin: 0 auto;
}

.feature-card {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(248, 243, 255, 0.94) 100%);
}

.feature-card::before {
  content: "";
  position: absolute;
  top: -36px;
  right: -36px;
  width: 130px;
  height: 130px;
  border-radius: 28px;
  transform: rotate(18deg);
  background: linear-gradient(135deg, rgba(255, 216, 77, 0.9) 0%, rgba(111, 60, 255, 0.85) 100%);
  opacity: 0.85;
}

.feature-card > * {
  position: relative;
}

.panel,
.narrow-panel {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(249, 245, 255, 0.92) 100%);
}

.helper-text {
  font-size: 0.95rem;
  line-height: 1.5;
}

ul {
  padding-left: 1.2rem;
  line-height: 1.7;
}

.deck-item h3 a {
  color: var(--accent-dark);
}

@media (max-width: 900px) {
  .hero,
  .grid-two,
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .card-preview-shell {
    grid-template-columns: 1fr;
  }

  .account-header,
  .panel-header,
  .header-row,
  .deck-item {
    flex-direction: column;
  }

  .main-nav {
    flex-wrap: wrap;
  }
}