/* Layout — Obsidian UI kit (T-003) */

/* Top nav */
.topnav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: var(--obs-bg-deep);
  border-bottom: var(--obs-border);
  display: flex;
  align-items: center;
  padding: 0 28px;
  gap: 24px;
  z-index: 1000;
}

.topnav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}

.topnav-logo {
  width: 36px;
  height: 36px;
  border-radius: 0;
  image-rendering: pixelated;
  flex-shrink: 0;
  object-fit: contain;
}

.topnav-name {
  font-family: var(--obs-font-display);
  font-size: 12px;
  letter-spacing: var(--obs-tracking);
  color: var(--obs-text);
}

.topnav-tabs {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 12px;
}

.topnav-tab {
  padding: 10px 16px;
  border-radius: 0;
  font-family: var(--obs-font-display);
  font-size: 10px;
  letter-spacing: var(--obs-tracking);
  color: var(--obs-text-dim);
  text-decoration: none;
  cursor: pointer;
  border: 3px solid transparent;
  background: none;
  transition: background var(--obs-ease), color var(--obs-ease);
}

.topnav-tab:hover {
  color: var(--obs-text);
  background: var(--obs-surface);
}

.topnav-tab.active {
  background: var(--obs-orange);
  color: var(--obs-on-orange);
}

/* Page layout */
.page-wrap {
  padding-top: 64px;
  min-height: 100vh;
}

.tab-section {
  display: none;
}

.tab-section.active {
  display: block;
}

/* ── Landing ── */
.landing {
  max-width: 880px;
  margin: 0 auto;
  padding: 80px 28px 60px;
}

.landing-hero {
  text-align: center;
  margin-bottom: 60px;
}

.landing-eyebrow {
  font-family: var(--obs-font-display);
  font-size: 10px;
  letter-spacing: var(--obs-tracking);
  text-transform: uppercase;
  color: var(--obs-orange);
  margin-bottom: 20px;
}

.landing-title {
  font-family: var(--obs-font-display);
  font-size: clamp(1.4rem, 4vw, 2.4rem);
  line-height: 1.5;
  letter-spacing: var(--obs-tracking);
  color: var(--obs-text);
  text-shadow: 5px 5px 0 var(--obs-shadow);
  margin-bottom: 28px;
}

.landing-slogan {
  font-family: var(--obs-font-body);
  font-size: 26px;
  color: var(--obs-cyan);
  max-width: 600px;
  margin: 0 auto 24px;
  line-height: 1.3;
}

.landing-subtitle {
  font-size: 22px;
  color: var(--obs-text-dim);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.4;
}

.landing-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}

.landing-card-icon {
  font-size: 28px;
  margin-bottom: 14px;
}

.landing-card-title {
  font-family: var(--obs-font-display);
  font-size: 11px;
  letter-spacing: var(--obs-tracking);
  line-height: 1.5;
  margin-bottom: 10px;
}

.landing-card-desc {
  font-size: 18px;
  color: var(--obs-text-dim);
  line-height: 1.35;
}

/* ── Landing info boxes ── */
.landing-boxes {
  display: flex;
  flex-direction: column;
  gap: 24px;
  text-align: left;
}

.info-box p {
  font-size: 18px;
  color: var(--obs-text-dim);
  line-height: 1.45;
  margin: 0 0 14px;
}

.info-box .info-lead {
  color: var(--obs-text);
  font-weight: 700;
}

.info-box strong {
  color: var(--obs-orange);
}

.info-box .btn {
  margin-top: 6px;
}

/* Feature lists (landing boxes + Features section) */
.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feature-list li {
  position: relative;
  padding-left: 24px;
  font-size: 18px;
  color: var(--obs-text-dim);
  line-height: 1.4;
}

.feature-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--obs-orange);
}

/* ── Features section ── */
.features-wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 48px 28px 80px;
}

.features-header {
  margin-bottom: 28px;
}

.features-header h1 {
  font-size: 20px;
}

.features-header p {
  color: var(--obs-text-dim);
  font-size: 19px;
  margin: 12px 0 18px;
}

.feature-highlights li {
  color: var(--obs-text);
}

.subtabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.subtab {
  padding: 12px 18px;
  font-family: var(--obs-font-display);
  font-size: 10px;
  letter-spacing: var(--obs-tracking);
  color: var(--obs-text-dim);
  cursor: pointer;
  border: var(--obs-border);
  background: var(--obs-surface);
  box-shadow: var(--obs-shadow-sm);
  transition: background var(--obs-ease), color var(--obs-ease), transform var(--obs-ease);
}

.subtab:hover {
  background: var(--obs-surface-2);
  color: var(--obs-text);
}

.subtab.active {
  background: var(--obs-orange);
  color: var(--obs-on-orange);
}

.subtab-panel {
  display: none;
}

.subtab-panel.active {
  display: block;
}

/* ── Randomizer wizard ── */
.randomizer-wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 28px 80px;
}

.randomizer-header {
  margin-bottom: 36px;
}

.randomizer-header h1 {
  font-size: 20px;
}

.randomizer-header p {
  color: var(--obs-text-dim);
  font-size: 19px;
  margin: 0;
}

.wizard-panel {
  display: none;
}

.wizard-panel.active {
  display: block;
}

.form-section {
  margin-bottom: 32px;
}

.form-section:last-child {
  margin-bottom: 0;
}

/* Run-type conditional panels */
.run-panel {
  margin-top: 16px;
  padding: 20px;
  background: var(--obs-well);
  border: var(--obs-border);
  box-shadow: var(--obs-inset);
  border-radius: 0;
}

.run-panel.hidden {
  display: none;
}

/* Soul-link subsections */
.sl-subsection {
  padding-bottom: 20px;
  margin-bottom: 20px;
  border-bottom: 3px dashed var(--obs-line);
}

.sl-subsection:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: none;
}

/* Coop sub-panel */
.coop-panel {
  margin-top: 16px;
  padding: 20px;
  background: var(--obs-well);
  border: var(--obs-border);
  box-shadow: var(--obs-inset);
  border-radius: 0;
}

.coop-panel.hidden {
  display: none;
}

.coop-numroms {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.coop-numroms label {
  font-family: var(--obs-font-display);
  font-size: 10px;
  letter-spacing: var(--obs-tracking);
  flex-shrink: 0;
}

.coop-numroms input {
  width: 90px;
}

/* Slider row */
.slider-row {
  display: flex;
  align-items: center;
  gap: 14px;
}

.slider-value {
  font-family: var(--obs-font-display);
  font-size: 12px;
  color: var(--obs-orange);
  min-width: 48px;
  text-align: right;
  flex-shrink: 0;
}

/* Config actions bar */
.config-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 20px 0 0;
  border-top: 3px dashed var(--obs-line);
  margin-top: 28px;
}

.config-actions-label {
  font-family: var(--obs-font-display);
  font-size: 9px;
  letter-spacing: var(--obs-tracking);
  color: var(--obs-text-dim);
  margin-right: 4px;
}

/* Wizard nav buttons */
.wizard-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 3px dashed var(--obs-line);
}

.wizard-nav-right {
  display: flex;
  gap: 12px;
  margin-left: auto;
}

/* Generation progress bar (Obsidian progress) */
.gen-progress-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 24px 0 12px;
}

.gen-progress-bar {
  flex: 1;
  height: 24px;
  background: var(--obs-well);
  border: var(--obs-border);
  box-shadow: var(--obs-inset);
  border-radius: 0;
  padding: 2px;
  overflow: hidden;
}

.gen-progress-fill {
  height: 100%;
  background: var(--obs-orange);
  border-radius: 0;
  transition: width 0.3s steps(20);
  width: 0%;
}

.gen-progress-pct {
  font-family: var(--obs-font-display);
  font-size: 11px;
  color: var(--obs-orange);
  min-width: 48px;
  text-align: right;
  flex-shrink: 0;
}

.gen-step-label {
  font-size: 18px;
  color: var(--obs-text-dim);
  margin-bottom: 24px;
}

/* Generate step */
.generate-card {
  text-align: center;
  padding: 48px 32px;
}

.generate-icon {
  font-size: 48px;
  margin-bottom: 20px;
}

/* Spin the generating gear while a run is being generated (stepped = retro). */
#gen-running .generate-icon img {
  animation: gen-gear-spin 1.2s steps(12) infinite;
  transform-origin: 50% 50%;
}
@keyframes gen-gear-spin { to { transform: rotate(360deg); } }

.generate-title {
  font-family: var(--obs-font-display);
  font-size: 14px;
  line-height: 1.6;
  letter-spacing: var(--obs-tracking);
  margin-bottom: 14px;
}

.generate-desc {
  color: var(--obs-text-dim);
  font-size: 19px;
  margin-bottom: 32px;
}

.generate-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.coming-soon-note {
  font-size: 17px;
  color: var(--obs-text-mute);
  margin-top: 4px;
}

/* Responsive */
@media (max-width: 600px) {
  .topnav {
    padding: 0 16px;
  }

  .radio-card-group,
  .radio-card-group-3 {
    grid-template-columns: 1fr;
  }

  .difficulty-group {
    grid-template-columns: 1fr;
  }

  .randomizer-wrap, .landing {
    padding-left: 16px;
    padding-right: 16px;
  }
}