/* ============================================================
   Game Master Tools — main stylesheet
   Theme follows device preference (prefers-color-scheme).
   Edit colors in :root / prefers-color-scheme: light blocks.
   ============================================================ */

:root {
  color-scheme: dark light;

  /* Dark theme (default when device is dark) */
  --bg: #0c0f14;
  --bg-elevated: #141a22;
  --bg-card: #161d27;
  --border: #2a3444;
  --text: #e8eef7;
  --text-muted: #9aa8bc;
  --accent: #5b9fd4;
  --accent-hover: #7bb6e3;
  --accent-soft: color-mix(in srgb, var(--accent) 18%, transparent);
  --success: #3d9a6a;
  --warn: #c9a227;
  --danger: #d35a5a;
  --radius: 12px;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, Cantarell, "Noto Sans", sans-serif;
  --mono: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Consolas, monospace;
  --max: 1120px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f6fa;
    --bg-elevated: #ffffff;
    --bg-card: #ffffff;
    --border: #d5dde8;
    --text: #121820;
    --text-muted: #5a6b80;
    --accent: #2f6ea8;
    --accent-hover: #255a8a;
    --accent-soft: color-mix(in srgb, var(--accent) 12%, transparent);
    --shadow: 0 10px 30px rgba(20, 40, 70, 0.08);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  min-height: 100vh;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

code {
  font-family: var(--mono);
  font-size: 0.9em;
  background: var(--accent-soft);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

.container {
  width: min(var(--max), calc(100% - 2rem));
  margin-inline: auto;
}

.muted {
  color: var(--text-muted);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 100;
}
.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
}

/* ----- Header ----- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3.75rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}
.brand:hover {
  text-decoration: none;
  color: var(--text);
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 8px;
  background: linear-gradient(145deg, var(--accent), color-mix(in srgb, var(--accent) 40%, #1a2a3a));
  color: #fff;
  font-size: 0.75rem;
  letter-spacing: 0.02em;
}

.site-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
}

.site-nav a {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
}
.site-nav a:hover {
  color: var(--text);
}

.nav-toggle {
  display: none;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 0.4rem 0.75rem;
  cursor: pointer;
}

@media (max-width: 800px) {
  .nav-toggle {
    display: inline-flex;
  }
  .site-nav {
    display: none;
    position: absolute;
    right: 1rem;
    top: 3.6rem;
    flex-direction: column;
    align-items: stretch;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.75rem;
    box-shadow: var(--shadow);
    min-width: 12rem;
  }
  .site-nav.is-open {
    display: flex;
  }
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.65rem 1.15rem;
  border-radius: 10px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
  font-family: inherit;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.btn:hover {
  text-decoration: none;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--accent-hover);
  color: #fff;
}
.btn-secondary {
  background: var(--bg-elevated);
  border-color: var(--border);
  color: var(--text);
}
.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: transparent;
}
.btn-ghost:hover {
  color: var(--text);
  background: var(--accent-soft);
}
.btn-sm {
  padding: 0.4rem 0.8rem;
  font-size: 0.875rem;
}
.btn-block {
  width: 100%;
}

/* ----- Layout ----- */
.site-main {
  padding: 2rem 0 4rem;
}

.hero {
  padding: 3rem 0 2.5rem;
  background:
    radial-gradient(ellipse 80% 60% at 50% -20%, var(--accent-soft), transparent),
    var(--bg);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: center;
}

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

.hero h1 {
  font-size: clamp(1.9rem, 4vw, 2.75rem);
  line-height: 1.15;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.hero-lead {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin: 0 0 1.5rem;
  max-width: 36rem;
}

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

.hero-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.section {
  padding: 2.5rem 0;
}

.section-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.section-header h2 {
  margin: 0;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

/* ----- Cards / modules ----- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.module-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s, transform 0.15s;
}
.module-card:hover {
  border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
  transform: translateY(-2px);
}

.module-card-media {
  aspect-ratio: 16 / 10;
  background:
    linear-gradient(145deg, var(--accent-soft), transparent),
    var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  display: grid;
  place-items: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.module-card-body {
  padding: 1.1rem 1.15rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  flex: 1;
}

.module-card h3 {
  margin: 0;
  font-size: 1.15rem;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.tag {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.2rem 0.45rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
}

/* ----- Pricing ----- */
.price-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.1rem;
}

.price-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.price-card.is-highlight {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-soft), var(--shadow);
}

.price-card .price {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

/* ----- Forms ----- */
.form-card {
  max-width: 28rem;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.form-card h1 {
  margin: 0 0 0.35rem;
  font-size: 1.45rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.9rem;
}

.form-group label {
  font-weight: 600;
  font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  font: inherit;
  padding: 0.6rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}

.form-group input:focus,
.form-group select:focus {
  outline: 2px solid var(--accent-soft);
  border-color: var(--accent);
}

.form-actions {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-top: 0.5rem;
}

.form-footer {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  text-align: center;
}

/* ----- Flash ----- */
.flash {
  margin: 1rem 0 0;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
}
.flash-success {
  border-color: color-mix(in srgb, var(--success) 50%, var(--border));
  background: color-mix(in srgb, var(--success) 12%, var(--bg-elevated));
}
.flash-error {
  border-color: color-mix(in srgb, var(--danger) 50%, var(--border));
  background: color-mix(in srgb, var(--danger) 12%, var(--bg-elevated));
}
.flash-warn {
  border-color: color-mix(in srgb, var(--warn) 50%, var(--border));
  background: color-mix(in srgb, var(--warn) 12%, var(--bg-elevated));
}

/* ----- Account ----- */
.account-grid {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1.5rem;
}

@media (max-width: 720px) {
  .account-grid {
    grid-template-columns: 1fr;
  }
}

.account-nav {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  height: fit-content;
}
.account-nav a {
  padding: 0.5rem 0.65rem;
  border-radius: 8px;
  color: var(--text-muted);
  text-decoration: none;
}
.account-nav a:hover,
.account-nav a.is-active {
  background: var(--accent-soft);
  color: var(--text);
}

.panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.panel h2 {
  margin: 0 0 0.75rem;
  font-size: 1.2rem;
}

.token-box {
  font-family: var(--mono);
  font-size: 0.85rem;
  word-break: break-all;
  background: var(--bg);
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 0.75rem;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
.table th,
.table td {
  text-align: left;
  padding: 0.55rem 0.4rem;
  border-bottom: 1px solid var(--border);
}
.table th {
  color: var(--text-muted);
  font-weight: 600;
}

/* ----- Product detail ----- */
.product-hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.75rem;
  align-items: start;
}

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

.shot-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.65rem;
}

.shot {
  aspect-ratio: 16 / 10;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  display: grid;
  place-items: center;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.feature-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 700px) {
  .feature-cols,
  .shot-grid {
    grid-template-columns: 1fr;
  }
}

.feature-list {
  margin: 0;
  padding-left: 1.15rem;
}
.feature-list li {
  margin-bottom: 0.35rem;
}

/* ----- Footer ----- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0 1.5rem;
  background: var(--bg-elevated);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

@media (max-width: 700px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-heading {
  margin: 0 0 0.5rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.site-footer a {
  display: block;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
  text-decoration: none;
}
.site-footer a:hover {
  color: var(--text);
}

.footer-bottom {
  font-size: 0.85rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.prose {
  max-width: 42rem;
}
.prose h1 {
  margin-top: 0;
}
.prose h2 {
  margin-top: 1.75rem;
}