:root {
  color-scheme: dark;
  --bg: #181217;
  --ink: #f6ece7;
  --muted: #c3b3af;
  --soft: #ead7d0;
  --paper: #efe0d8;
  --paper-ink: #281c22;
  --paper-muted: #776069;
  --line: rgba(246, 236, 231, 0.15);
  --line-strong: rgba(246, 236, 231, 0.26);
  --panel: rgba(39, 29, 36, 0.78);
  --panel-solid: #241a21;
  --primary: #d78d82;
  --primary-deep: #9e5f68;
  --sage: #8eaaa0;
  --lilac: #aaa1bf;
  --wine: #7d4656;
  --shadow: 0 26px 72px rgba(13, 8, 12, 0.42);
  --radius: 8px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  min-height: 100%;
  margin: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(150deg, #211820 0%, #171116 48%, #1d2020 100%);
  background-size: 34px 34px, 34px 34px, auto;
  color: var(--ink);
}

body::before {
  pointer-events: none;
  position: fixed;
  inset: 0;
  content: "";
  background:
    radial-gradient(circle at 20% 0%, rgba(215, 141, 130, 0.14), transparent 30rem),
    radial-gradient(circle at 100% 12%, rgba(142, 170, 160, 0.1), transparent 24rem),
    linear-gradient(180deg, rgba(246, 236, 231, 0.06), transparent 28%, rgba(0, 0, 0, 0.18));
}

button,
input,
select {
  font: inherit;
}

button {
  color: inherit;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.app-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  padding: max(18px, env(safe-area-inset-top)) max(18px, env(safe-area-inset-right)) max(22px, env(safe-area-inset-bottom)) max(18px, env(safe-area-inset-left));
}

.topbar,
.view {
  width: min(100%, 1120px);
  margin-inline: auto;
}

.topbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 20px;
  margin-bottom: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  width: fit-content;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  text-align: left;
}

.brand-mark {
  display: grid;
  width: 42px;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background: linear-gradient(145deg, var(--primary) 0%, var(--sage) 100%);
  color: #20141b;
  font-size: 0.95rem;
  font-weight: 850;
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.22);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 1.15rem;
  letter-spacing: 0;
}

.brand small {
  margin-top: 1px;
  color: var(--muted);
  font-size: 0.84rem;
}

.view-tabs {
  display: inline-grid;
  grid-template-columns: repeat(3, minmax(72px, 1fr));
  gap: 3px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.045);
  backdrop-filter: blur(16px);
}

.tab,
.button,
.icon-button {
  min-height: 42px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
}

.tab {
  background: transparent;
  color: var(--muted);
  padding: 0 14px;
  font-weight: 720;
}

.tab.is-active {
  background: var(--soft);
  color: #1f1a14;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
}

.view {
  display: none;
}

.view.is-active {
  display: block;
}

.play-layout {
  display: grid;
  grid-template-columns: 292px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.control-panel,
.session-strip,
.rules-list section,
.candidate-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(18px);
}

.control-panel {
  padding: 16px;
}

.panel-section + .panel-section {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.eyebrow,
.field-label,
legend,
.stat-label,
.search-field span {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.eyebrow {
  margin: 0 0 9px;
}

.panel-section h1,
.library-header h1,
.rules-layout h1 {
  margin: 0;
  max-width: 12ch;
  font-size: clamp(1.75rem, 4vw, 3.05rem);
  line-height: 1;
  letter-spacing: 0;
}

.intro {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.5;
}

fieldset {
  margin: 0;
  padding: 0;
  border: 0;
}

label {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 10px;
  color: var(--ink);
  line-height: 1.35;
}

.choice {
  align-items: flex-start;
}

.choice strong,
.choice small {
  display: block;
}

.choice strong {
  font-size: 0.98rem;
}

.choice small {
  max-width: 29ch;
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.35;
}

input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
}

select,
input[type="search"] {
  width: 100%;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(12, 11, 10, 0.72);
  color: var(--ink);
}

.panel-actions,
.card-actions,
.library-tools {
  display: flex;
  gap: 10px;
}

.panel-actions {
  margin-top: 16px;
}

.button,
.icon-button {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.07);
  color: var(--ink);
  font-weight: 760;
}

.button {
  padding: 0 16px;
}

.button.quiet {
  color: var(--muted);
}

.button.primary {
  border-color: rgba(215, 141, 130, 0.72);
  background: linear-gradient(180deg, #e0a099, var(--primary-deep));
  color: #21131a;
  box-shadow: 0 12px 26px rgba(125, 70, 86, 0.24);
}

.icon-button {
  display: grid;
  width: 46px;
  aspect-ratio: 1;
  place-items: center;
  padding: 0;
  font-size: 1.7rem;
}

.tabletop {
  display: grid;
  gap: 12px;
}

.session-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  overflow: hidden;
  padding: 0;
}

.session-strip div {
  min-width: 0;
  padding: 12px 14px;
  background: rgba(0, 0, 0, 0.12);
}

.session-strip strong,
.session-strip span {
  display: block;
}

.session-strip strong {
  margin-top: 3px;
  font-size: 1.35rem;
  line-height: 1;
}

.prompt-card {
  position: relative;
  overflow: hidden;
  min-height: 560px;
  border: 1px solid rgba(33, 27, 21, 0.18);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.18), transparent 32%),
    var(--paper);
  color: var(--paper-ink);
  box-shadow: var(--shadow);
}

.prompt-card::before {
  position: absolute;
  inset: 0 0 auto;
  height: 9px;
  content: "";
  background: var(--level-color, var(--primary));
}

.prompt-card::after {
  position: absolute;
  right: 22px;
  bottom: 18px;
  width: 78px;
  height: 78px;
  content: "";
  border: 1px solid rgba(33, 27, 21, 0.08);
  background:
    linear-gradient(90deg, rgba(33, 27, 21, 0.08) 1px, transparent 1px),
    linear-gradient(rgba(33, 27, 21, 0.08) 1px, transparent 1px);
  background-size: 13px 13px;
  opacity: 0.55;
}

.prompt-card[data-level="Warm"] {
  --level-color: var(--primary);
}

.prompt-card[data-level="Open"] {
  --level-color: var(--sage);
}

.prompt-card[data-level="Close"] {
  --level-color: var(--wine);
}

.card-front {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 560px;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 22px;
  padding: 34px;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: space-between;
}

.card-meta span,
.card-tag {
  max-width: 100%;
  padding: 7px 10px;
  border: 1px solid rgba(33, 27, 21, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.28);
  color: var(--paper-muted);
  font-size: 0.84rem;
  font-weight: 800;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  justify-content: flex-end;
}

.prompt-text {
  align-self: center;
  max-width: 18ch;
  margin: 0;
  font-size: clamp(2.35rem, 4.8vw, 4.65rem);
  font-weight: 790;
  letter-spacing: 0;
  line-height: 1.04;
  text-wrap: balance;
}

.prompt-card[data-copy-length="medium"] .prompt-text {
  max-width: 21ch;
  font-size: clamp(2rem, 4.1vw, 3.8rem);
  line-height: 1.07;
}

.prompt-card[data-copy-length="long"] .prompt-text {
  max-width: 25ch;
  font-size: clamp(1.58rem, 3.25vw, 3rem);
  line-height: 1.12;
}

.prompt-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.prompt-options[hidden] {
  display: none;
}

.prompt-chip {
  min-height: 34px;
  min-width: 42px;
  padding: 0 13px;
  border: 1px solid rgba(33, 27, 21, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.24);
  color: var(--paper-muted);
  cursor: pointer;
  font-size: 0.84rem;
  font-weight: 820;
}

.prompt-chip.is-active {
  background: var(--paper-ink);
  color: var(--paper);
}

.card-actions {
  justify-content: flex-end;
}

.library-header,
.rules-layout {
  display: grid;
  grid-template-columns: 1fr minmax(280px, 430px);
  gap: 20px;
  margin-bottom: 18px;
}

.rules-layout {
  align-items: start;
}

.library-tools {
  align-items: end;
}

.search-field {
  display: grid;
  flex: 1;
  gap: 6px;
  margin: 0;
}

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

.candidate-card {
  padding: 16px;
}

.candidate-card h2 {
  margin: 13px 0 8px;
  color: var(--ink);
  font-size: 1.06rem;
  line-height: 1.32;
}

.candidate-card p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.45;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  padding: 4px 8px;
  border: 1px solid rgba(120, 157, 141, 0.28);
  border-radius: 999px;
  background: rgba(120, 157, 141, 0.13);
  color: #dce9e2;
  font-size: 0.73rem;
  font-weight: 780;
}

.rules-list {
  display: grid;
  gap: 8px;
}

.rules-list section {
  display: grid;
  grid-template-columns: minmax(140px, 0.95fr) minmax(0, 1.35fr);
  gap: 14px;
  align-items: baseline;
  padding: 14px 0;
  border-radius: 0;
  border-width: 0 0 1px;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}

.rules-list h2 {
  margin: 0;
  color: var(--soft);
  font-size: 1rem;
  line-height: 1.2;
}

.rules-list p {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

@media (max-width: 900px) {
  .app-shell {
    padding: max(14px, env(safe-area-inset-top)) 14px max(16px, env(safe-area-inset-bottom));
  }

  .topbar {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-bottom: 14px;
  }

  .brand-mark {
    width: 38px;
  }

  .brand strong {
    font-size: 1.08rem;
  }

  .brand small {
    font-size: 0.8rem;
  }

  .view-tabs {
    width: 100%;
  }

  .tab {
    min-height: 38px;
    padding: 0 8px;
  }

  .play-layout {
    display: flex;
    flex-direction: column;
    gap: 14px;
  }

  .tabletop {
    order: 1;
    width: 100%;
  }

  .control-panel {
    order: 2;
    width: 100%;
    padding: 14px;
  }

  .panel-section:first-child h1 {
    font-size: 1.35rem;
  }

  .intro {
    font-size: 0.9rem;
  }

  .session-strip {
    border-radius: 8px;
  }

  .session-strip div {
    padding: 10px;
  }

  .stat-label {
    font-size: 0.64rem;
  }

  .session-strip strong {
    font-size: 1.05rem;
  }

  .prompt-card {
    min-height: min(70vh, 620px);
  }

  .prompt-card::after {
    right: 15px;
    bottom: 16px;
    width: 54px;
    height: 54px;
    background-size: 10px 10px;
  }

  .card-front {
    min-height: min(70vh, 620px);
    gap: 16px;
    padding: 24px 20px 20px;
  }

  .card-meta {
    align-items: flex-start;
  }

  .card-meta span,
  .card-tag {
    padding: 6px 8px;
    font-size: 0.76rem;
  }

  #card-tags {
    flex: 1;
    min-width: 0;
    justify-content: flex-end;
  }

  .prompt-text {
    max-width: 17ch;
    font-size: clamp(1.95rem, 8.2vw, 3.2rem);
    line-height: 1.06;
  }

  .prompt-card[data-copy-length="medium"] .prompt-text {
    max-width: 20ch;
    font-size: clamp(1.72rem, 7.1vw, 2.75rem);
    line-height: 1.09;
  }

  .prompt-card[data-copy-length="long"] .prompt-text {
    max-width: 24ch;
    font-size: clamp(1.34rem, 5.55vw, 2.15rem);
    line-height: 1.15;
  }

  .prompt-chip {
    min-height: 32px;
    padding-inline: 10px;
    font-size: 0.78rem;
  }

  .card-actions {
    position: sticky;
    z-index: 4;
    bottom: max(10px, env(safe-area-inset-bottom));
    display: grid;
    grid-template-columns: 44px 1fr 1fr 1.35fr;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(18, 16, 13, 0.82);
    backdrop-filter: blur(18px);
  }

  .button,
  .icon-button {
    min-height: 44px;
  }

  .library-header,
  .rules-layout,
  .candidate-grid,
  .library-tools {
    grid-template-columns: 1fr;
  }

  .rules-list section {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 16px 0;
  }

  .library-tools {
    display: grid;
  }

  .panel-actions {
    display: grid;
    grid-template-columns: 1fr;
  }
}