:root {
  color-scheme: light;

  /* TCG Deck Builder light palette */
  --body-bg: #f8f9fa;
  --panel-bg: #f5f5f5;
  --surface: #ffffff;
  --surface-2: #f0f0f0;
  --ink: #222222;
  --muted: #666666;
  --line: #bbbbbb;
  --line-soft: #dddddd;

  --main-button-bg: #2980b9;
  --main-button-color: #ffffff;
  --main-button-border: #265dd8;
  --header-color: #0056b3;

  --input-bg: #ffffff;
  --input-color: #222222;
  --input-border: #bbbbbb;
  --input-focus-border: #0056b3;

  --selected-bg: #eeeeff;
  --selected-bg-alt: #e0e0ff;

  --shadow: 0 14px 34px rgba(0, 0, 0, .08);
  --radius: 16px;
  --radius-sm: 10px;
}

html[data-theme="dark"] {
  color-scheme: dark;

  /* TCG Deck Builder dark palette */
  --body-bg: #181a1b;
  --panel-bg: #2a2a2a;
  --surface: #23272a;
  --surface-2: #111111;
  --ink: #ebebeb;
  --muted: #b8b8b8;
  --line: #444444;
  --line-soft: #363636;

  --main-button-bg: #b7950b;
  --main-button-color: #181a1b;
  --main-button-border: #9a7d0a;
  --header-color: #ffd700;

  --input-bg: #23272a;
  --input-color: #ffd700;
  --input-border: #8e8e8e;
  --input-focus-border: #ffd700;

  --selected-bg: #21216a;
  --selected-bg-alt: #21216a;

  --shadow: 0 14px 34px rgba(0, 0, 0, .28);
}

* {
  box-sizing: border-box;
}

html, body {
  min-height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--body-bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  transition: background-color .15s ease, color .15s ease;
}

button, input, select {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: default;
}

.app-shell {
  width: min(1480px, calc(100% - 40px));
  margin: 0 auto;
  padding: 30px 0 40px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
}

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

h1 {
  margin: 0;
  color: var(--header-color);
  font-size: clamp(2rem, 4vw, 3.15rem);
  line-height: 1.02;
  letter-spacing: -.045em;
}

h2 {
  margin-bottom: 0;
  font-size: 1.25rem;
  letter-spacing: -.02em;
}

.theme-toggle {
  flex: 0 0 auto;
  border: 0;
  background: transparent;
  color: inherit;
  padding: 6px;
  margin: 0;
  font-size: 1.45rem;
  line-height: 1;
}

.theme-toggle:hover {
  filter: brightness(1.12);
}

.layout {
  display: grid;
  grid-template-columns: 310px minmax(0, 1fr) 360px;
  gap: 20px;
  align-items: start;
}

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-bg);
  box-shadow: var(--shadow);
}

.control-panel,
.pulls-panel {
  position: sticky;
  top: 18px;
  padding: 22px;
}

.pulls-panel {
  display: flex;
  flex-direction: column;
  min-height: 0;
  max-height: none;
  overflow: hidden;
}

.opening-panel {
  min-height: 560px;
  padding: 26px;
}

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}

.compact-heading {
  flex: 0 0 auto;
  margin-bottom: 14px;
}

.pulls-heading-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.clear-btn {
  min-height: 28px;
  border: 1px solid var(--input-border);
  border-radius: 8px;
  background: var(--input-bg);
  color: var(--muted);
  padding: 0 9px;
  font-size: .72rem;
  font-weight: 800;
}

.clear-btn:hover:not(:disabled) {
  color: var(--ink);
  border-color: var(--input-focus-border);
}

.clear-btn:disabled {
  opacity: .45;
  cursor: default;
}

.field {
  display: block;
  margin-bottom: 18px;
}

.field > span {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
}

select,
input {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--input-border);
  border-radius: var(--radius-sm);
  outline: none;
  background: var(--input-bg);
  color: var(--input-color);
  padding: 0 12px;
  transition: border-color .15s, box-shadow .15s, background-color .15s;
}

select:focus,
input:focus {
  border-color: var(--input-focus-border);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--input-focus-border) 18%, transparent);
}

.segmented {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--input-border);
  border-radius: 12px;
  background: var(--input-bg);
}

.segmented button {
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  padding: 9px 6px;
  font-size: .86rem;
  font-weight: 800;
}

.segmented button.active {
  background: var(--selected-bg);
  color: var(--header-color);
  box-shadow: inset 0 0 0 1px var(--line);
}

.primary-btn,
.secondary-btn {
  border-radius: 10px;
  font-weight: 800;
  transition: filter .12s, transform .12s, background-color .12s;
}

.primary-btn {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--main-button-border);
  background: var(--main-button-bg);
  color: var(--main-button-color);
  padding: 0 15px;
}

.primary-btn:hover,
.secondary-btn:hover {
  filter: brightness(1.12);
}

.primary-btn:active,
.secondary-btn:active {
  transform: translateY(1px);
}

.primary-btn.ghost {
  background: var(--main-button-bg);
  border-color: var(--main-button-border);
  color: var(--main-button-color);
}

.secondary-btn {
  min-height: 42px;
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  color: var(--input-color);
  padding: 0 14px;
}

.secondary-btn.compact {
  min-height: 36px;
  font-size: .8rem;
}

.inline-field {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 7px;
}

.divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 20px 0;
  color: var(--muted);
  font-size: .73rem;
  font-weight: 800;
  text-transform: uppercase;
}

.divider::before,
.divider::after {
  content: "";
  height: 1px;
  flex: 1;
  background: var(--line);
}

.empty-state {
  min-height: 505px;
  display: grid;
  place-items: center;
  align-content: center;
  text-align: center;
  color: var(--muted);
}

.empty-state h2 {
  margin: 10px 0 6px;
  color: var(--ink);
}

.empty-state p {
  max-width: 420px;
  margin-bottom: 0;
}

.empty-icon {
  display: grid;
  width: 60px;
  height: 60px;
  place-items: center;
  border-radius: 18px;
  background: var(--selected-bg);
  color: var(--header-color);
  font-size: 1.45rem;
}

.hidden {
  display: none !important;
}

.result-topline {
  margin-bottom: 16px;
}

.result-topline h2 {
  color: var(--header-color);
  font-size: 1.35rem;
}

.code-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 14px;
  margin-bottom: 20px;
  border: 1px solid var(--input-border);
  border-radius: 12px;
  background: var(--input-bg);
}

.code-label {
  display: block;
  margin-bottom: 3px;
  color: var(--muted);
  font-size: .68rem;
  font-weight: 800;
  text-transform: uppercase;
}

code,
.mini-code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

code {
  color: var(--input-color);
  font-size: .88rem;
  font-weight: 800;
}

.brick-card {
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: 13px;
  overflow: hidden;
  background: var(--surface);
}

.brick-header {
  padding: 13px 14px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--line);
}

.brick-header h3 {
  margin: 0 0 4px;
  color: var(--header-color);
  font-size: 1rem;
}

.mini-code {
  color: var(--muted);
  font-size: .7rem;
}

.pack-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  padding: 12px;
}

.pack-button {
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  border: 1px solid var(--input-border);
  border-radius: 9px;
  background: var(--input-bg);
  color: var(--ink);
  text-align: left;
  padding: 10px 11px;
  transition: filter .12s, background-color .12s, border-color .12s;
}

.pack-button:hover:not(:disabled) {
  filter: brightness(1.08);
  border-color: var(--input-focus-border);
}

.pack-button.opened {
  background: var(--selected-bg);
  border-color: var(--input-focus-border);
}

.pack-button strong {
  font-size: .82rem;
}

.opened-label {
  color: var(--header-color);
  font-size: .69rem;
  font-weight: 900;
  text-transform: uppercase;
}

.pack-detail {
  border: 1px solid var(--line);
  border-radius: 13px;
  overflow: hidden;
  background: var(--surface);
}

.pack-detail-header {
  padding: 14px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--line);
}

.pack-detail-header strong {
  color: var(--header-color);
}

.card-row {
  display: grid;
  grid-template-columns: 60px 1fr auto;
  gap: 11px;
  align-items: center;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line-soft);
}

.card-row:last-child {
  border-bottom: 0;
}

.collector {
  color: var(--muted);
  font-size: .72rem;
  font-weight: 800;
}

.card-name {
  font-size: .87rem;
  font-weight: 700;
}

.rarity-chip {
  padding: 4px 7px;
  border-radius: 999px;
  background: var(--selected-bg);
  color: var(--ink);
  font-size: .67rem;
  font-weight: 800;
}

.count-pill {
  display: inline-grid;
  min-width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 999px;
  background: var(--selected-bg);
  color: var(--header-color);
  font-size: .76rem;
  font-weight: 900;
}

.pulls-empty {
  flex: 1 1 auto;
  display: grid;
  place-items: center;
  min-height: 150px;
  padding: 28px 8px;
  color: var(--muted);
  text-align: center;
  font-size: .83rem;
  line-height: 1.5;
}

.pull-list {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-right: 7px;
}

.pull-list::-webkit-scrollbar {
  width: 9px;
}

.pull-list::-webkit-scrollbar-track {
  background: transparent;
}

.pull-list::-webkit-scrollbar-thumb {
  border: 2px solid transparent;
  border-radius: 999px;
  background: var(--input-border);
  background-clip: padding-box;
}

.pull-group {
  margin: 0 0 16px;
}

.pull-group-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 7px;
  color: var(--muted);
  font-size: .69rem;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.pull-group-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}

.pull-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 8px;
  align-items: baseline;
  padding: 5px 1px;
  font-size: .83rem;
  font-weight: 400;
}

.pull-item.is-new {
  font-weight: 800;
}

.pull-qty {
  min-width: 25px;
  color: var(--header-color);
  font-weight: 900;
}

.pull-number {
  color: var(--muted);
  font-size: .69rem;
}

.download-area {
  flex: 0 0 auto;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 25px;
  transform: translate(-50%, 20px);
  opacity: 0;
  pointer-events: none;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow);
  font-size: .8rem;
  font-weight: 800;
  transition: opacity .18s, transform .18s;
  z-index: 100;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

@media (max-width: 1080px) {
  .layout {
    grid-template-columns: 280px 1fr;
  }

  .pulls-panel {
    grid-column: 1 / -1;
    position: static;
    max-height: none;
  }

  .pull-list {
    max-height: 55vh;
  }
}

@media (max-width: 760px) {
  .app-shell {
    width: min(100% - 22px, 720px);
    padding-top: 18px;
  }

  .layout {
    grid-template-columns: 1fr;
  }

  .control-panel,
  .pulls-panel {
    position: static;
    max-height: none;
  }

  .opening-panel {
    min-height: 0;
    padding: 18px;
  }

  .empty-state {
    min-height: 310px;
  }

  .pack-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pull-list {
    max-height: 55vh;
  }
}