:root {
  --bg: #0b1f16;
  --bg-alt: #123026;
  --card: #fffefe;
  --ink: #14201b;
  --text: #e8f5ea;
  --muted: #b7cfbc;
  --accent: #efbd4a;
  --danger: #df5151;
  --ok: #63d189;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 20% 20%, #1b493b, var(--bg) 48%);
  min-height: 100vh;
}

.app {
  max-width: 1080px;
  margin: 0 auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: start;
  gap: 1rem;
  margin-bottom: 0.6rem;
}

.brand h1 {
  margin: 0;
  line-height: 1;
  font-family: "Snell Roundhand", "Brush Script MT", "Lucida Handwriting", cursive;
  letter-spacing: 0.02em;
  font-size: 4rem;
  font-weight: 700;
  color: #f8e8c3;
  text-shadow: 0 1px 0 #67231e, 0 2px 8px rgba(0, 0, 0, 0.35);
}

.brand p {
  margin: 0.25rem 0 0;
  color: var(--muted);
}

.brand {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 1.05rem;
}

.brand-text {
  display: grid;
  padding-left: 0.1rem;
}

.brand-logo {
  width: 162px;
  height: 162px;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid rgba(255, 244, 213, 0.45);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.35);
  justify-self: start;
  align-self: start;
}

.controls {
  display: grid;
  justify-items: end;
  gap: 0.3rem;
}

.header-action {
  align-self: start;
}

.header-action .btn {
  width: 12.8rem;
  min-height: 46px;
  padding: 0.6rem 1rem;
  font-size: 1rem;
  line-height: 1.1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.subtitle-break {
  display: inline;
}

.subtitle-dash {
  display: inline;
}

.utility-panel {
  margin-bottom: 0.75rem;
  align-self: flex-end;
}

.control-buttons {
  display: flex;
  gap: 0.5rem;
}

.header-copyright {
  margin: 0.12rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
  text-align: right;
}

.header-promo {
  margin: 0.12rem 0 0;
  color: #f2cc6d;
  font-size: 0.88rem;
  text-align: right;
}

.header-promo a {
  color: #f2cc6d;
  text-decoration: underline;
}

.header-promo a:visited,
.header-promo a:hover,
.header-promo a:active {
  color: #f2cc6d;
  text-decoration: underline;
}

.header-version {
  margin: 0.12rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
  text-align: right;
}

.utility-meta {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 0.5rem;
}

.utility-meta-right {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}

.about-source-link {
  color: #4b8dff;
  text-decoration: underline;
}

.status-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(118px, 160px));
  gap: 0.75rem;
  margin-bottom: 0;
  width: fit-content;
  flex: 0 0 auto;
}

.status-item {
  background: linear-gradient(180deg, #0d2a1f, var(--bg-alt));
  border: 1px solid #2f5b4b;
  border-radius: 10px;
  padding: 0.65rem;
}

.status-item span {
  display: block;
  color: var(--muted);
  font-size: 0.9rem;
}

.status-item strong {
  font-size: 1.4rem;
}

.bet-controls {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.btn {
  border: 1px solid #6d8652;
  background: #25381d;
  color: var(--text);
  border-radius: 8px;
  padding: 0.45rem 0.8rem;
  cursor: pointer;
}

.btn:hover {
  filter: brightness(1.12);
}

.btn.primary {
  background: linear-gradient(180deg, #a9791b, #8a5d15);
  border-color: #cc9f44;
  color: #fff6db;
}

.btn.secondary {
  background: #243b33;
  border-color: #3d6355;
}

.btn.small {
  padding: 0.2rem 0.65rem;
}

.table-area {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1rem;
}

.status-row {
  display: flex;
  gap: 0.85rem;
  align-items: stretch;
  margin-top: 0.75rem;
}

.cards {
  min-height: 260px;
  border: 1px solid #2a5745;
  border-radius: 12px;
  background: linear-gradient(180deg, #0e2f23 0%, #123f2f 100%);
  display: grid;
  grid-template-columns: repeat(5, minmax(90px, 1fr));
  gap: 0.75rem;
  padding: 1rem;
}

.card-column {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 0.35rem;
}

.card-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 1.1rem;
}

.slot-number {
  font-weight: 700;
  color: #d3e5da;
  font-size: 1rem;
  text-align: center;
}

.hold-outside {
  color: #f2cc6d;
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  font-weight: 700;
  min-height: 0.9rem;
  line-height: 0.9rem;
  text-align: center;
}

.card-slot {
  background: var(--card);
  color: var(--ink);
  border-radius: 10px;
  min-height: 210px;
  padding: 0;
  display: block;
  border: 2px solid #dbd8ce;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.card-column.is-held .card-slot {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(239, 189, 74, 0.25);
}

.card-slot.is-dealing {
  animation: dealIn 220ms ease-out;
}

.card-slot.is-draw-back {
  animation: flipToBack 180ms ease-out forwards;
}

.card-slot.is-draw-reveal {
  animation: revealFromBack 240ms ease-out;
}

@keyframes dealIn {
  from {
    transform: translateY(-5px) scale(0.97);
    opacity: 0.88;
  }
  to {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}

@keyframes flipToBack {
  from {
    transform: rotateY(0deg) scale(1);
  }
  45% {
    transform: rotateY(88deg) scale(0.98);
  }
  to {
    transform: rotateY(0deg) scale(1);
  }
}

@keyframes revealFromBack {
  from {
    transform: rotateY(82deg) scale(0.98);
    filter: saturate(0.9) brightness(0.95);
  }
  to {
    transform: rotateY(0deg) scale(1);
    filter: saturate(1) brightness(1);
  }
}

.card-slot.red {
  color: #bc2430;
}

.card-corner {
  position: absolute;
  font-weight: 800;
  line-height: 0.95;
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 2;
}

.card-corner.top {
  top: 8px;
  left: 8px;
}

.card-corner.bottom {
  right: 8px;
  bottom: 8px;
  transform: rotate(180deg);
}

.card-corner .rank {
  font-size: 1.5rem;
}

.card-corner .suit {
  font-size: 1.35rem;
}

.card-body {
  position: absolute;
  inset: 10% 10% 10% 10%;
  display: grid;
  place-items: center;
}

.pip-field {
  width: 100%;
  height: 100%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(5, 1fr);
  align-items: center;
  justify-items: center;
}

.pip {
  font-size: 1.8rem;
  line-height: 1;
}

.pip.invert {
  transform: rotate(180deg);
}

.court-wrap {
  width: 100%;
  height: 100%;
  border-radius: 8px;
  overflow: hidden;
  background: #fffefe;
}

.court-img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.ace-art {
  width: 100%;
  height: 100%;
  border-radius: 10px;
  background: radial-gradient(circle at center, #ffffff 0%, #fffefe 62%, #fbfbfb 100%);
  display: grid;
  place-items: center;
}

.ace-logo {
  width: 40px;
  height: 40px;
  object-fit: cover;
  border-radius: 8px;
}

.ace-logo-center {
  width: 62px;
  height: 62px;
  border-radius: 10px;
}

.ace-ribbon {
  display: none;
}

.card-back {
  position: absolute;
  inset: 8px;
  border-radius: 8px;
  background-image: url("./assets/tahoe-5-back.jpg");
  background-size: cover;
  background-position: center;
  border: 1px solid #274f87;
}

.paytable {
  border: 1px solid #3f6655;
  border-radius: 12px;
  padding: 0.8rem;
  background: rgba(9, 27, 19, 0.72);
}

.paytable h2 {
  margin-top: 0;
  font-size: 1rem;
}

.paytable ul {
  margin: 0;
  padding-left: 1rem;
}

.paytable li {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.18rem 0;
  color: var(--muted);
}

.paytable li.win {
  color: var(--ok);
  font-weight: 700;
}

.result {
  margin-top: 0;
  border: 1px solid #315a4b;
  border-radius: 10px;
  padding: 0.8rem;
  background: rgba(9, 30, 21, 0.7);
  flex: 1 1 auto;
  min-width: 0;
}

.result p {
  margin: 0.35rem 0;
}

#resultLine.is-win {
  color: var(--ok);
}

#resultLine.is-loss {
  color: var(--danger);
}

#helpDialog {
  border: 1px solid #2d4a3f;
  border-radius: 12px;
  max-width: 640px;
}

#aboutDialog {
  border: 1px solid #2d4a3f;
  border-radius: 12px;
  width: min(50vw, 640px);
  max-width: 640px;
  min-width: 0;
  box-sizing: border-box;
  position: relative;
  padding-top: 1.2rem;
}

#aboutDialog p:first-of-type {
  padding-right: 7.2rem;
}

.about-logo {
  width: 92px;
  height: 92px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid rgba(255, 244, 213, 0.5);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.28);
  position: absolute;
  top: 0.9rem;
  right: 0.9rem;
  margin: 0;
}

#helpDialog::backdrop {
  background: rgba(0, 0, 0, 0.65);
}

#aboutDialog::backdrop {
  background: rgba(0, 0, 0, 0.65);
}

@media (max-width: 900px) {
  .table-area {
    display: contents;
  }

  .cards {
    order: 2;
  }

  .topbar {
    order: 1;
  }

  .status-row {
    order: 3;
  }

  .paytable {
    order: 4;
    margin-top: 0.2rem;
  }

  .result {
    text-align: right;
    margin-top: 0.55rem;
  }

  .status-panel {
    grid-template-columns: repeat(2, minmax(120px, 1fr));
    margin-top: 0.55rem;
    margin-bottom: 0.55rem;
  }

  .bet-controls .btn.small {
    min-height: 42px;
    min-width: 42px;
    padding: 0.28rem 0.62rem;
    font-size: 0.96rem;
    font-weight: 700;
  }

  .utility-panel {
    order: 5;
    align-self: stretch;
    margin-bottom: 0;
  }

  .controls {
    justify-items: stretch;
    gap: 0.45rem;
  }

  .control-buttons {
    width: 100%;
    justify-content: space-between;
    gap: 0.35rem;
  }

  .control-buttons .btn {
    flex: 1 1 0;
    text-align: center;
    padding-left: 0.35rem;
    padding-right: 0.35rem;
  }

  .header-copyright {
    text-align: right;
    padding-right: 0.1rem;
  }

  .utility-meta {
    justify-content: space-between;
    width: 100%;
    margin-left: 0;
  }

  .utility-meta-right {
    gap: 0.4rem;
  }
}

@media (max-width: 700px) {
  #aboutDialog {
    width: 92vw;
    max-width: 92vw;
  }

  #aboutDialog p:first-of-type {
    padding-right: 5.6rem;
  }

  .about-logo {
    width: 66px;
    height: 66px;
    top: 0.85rem;
    right: 0.85rem;
  }

  .topbar {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 0.65rem;
  }

  .header-action {
    justify-self: end;
  }

  .brand-logo {
    width: 129px;
    height: 129px;
  }

  .brand h1 {
    font-size: 2.4rem;
  }

  .brand p {
    font-size: 0.86rem;
  }

  .header-copyright,
  .header-promo,
  .header-version {
    font-size: 0.74rem;
  }

  .status-panel {
    grid-template-columns: repeat(2, minmax(120px, 1fr));
  }

  .cards {
    grid-template-columns: repeat(5, minmax(58px, 1fr));
    min-height: auto;
  }

  .card-slot {
    min-height: 145px;
  }

  .slot-number {
    font-size: 0.8rem;
  }

  .hold-outside {
    font-size: 0.64rem;
  }

  .card-corner .rank {
    font-size: 1.2rem;
  }

  .card-corner .suit {
    font-size: 1.05rem;
  }

  .pip {
    font-size: 1.2rem;
  }

  .ace-logo {
    width: 30px;
    height: 30px;
  }

  .ace-logo-center {
    width: 44px;
    height: 44px;
  }
}

@media (max-width: 900px) and (orientation: portrait) {
  .app {
    padding-top: 0.5rem;
  }

  .topbar {
    margin-bottom: 0.16rem;
  }

  .brand h1 {
    font-size: 2.1rem;
  }

  .brand p {
    font-size: 0.74rem;
    margin-top: 0.12rem;
  }

  .brand-logo {
    width: 88px;
    height: 88px;
  }

  .subtitle-break {
    display: block;
  }

  .subtitle-dash {
    display: none;
  }

  .header-action .btn {
    width: 7.2rem;
    margin-top: -0.63rem;
  }

  .table-area {
    gap: 0.45rem;
  }

  .cards {
    grid-template-columns: repeat(5, minmax(52px, 1fr));
    gap: 0.35rem;
    padding: 0.45rem;
  }

  .card-slot {
    min-height: 112px;
  }

  .card-corner.top {
    top: 5px;
    left: 5px;
  }

  .card-corner.bottom {
    right: 5px;
    bottom: 5px;
  }

  .card-corner .rank {
    font-size: 0.95rem;
  }

  .card-corner .suit {
    font-size: 0.82rem;
  }

  .card-body {
    inset: 20% 12% 18% 12%;
  }

  .pip-field {
    row-gap: 0;
  }

  .pip {
    font-size: 0.9rem;
  }

  .court-wrap {
    border-radius: 6px;
  }

  .ace-logo-center {
    width: 34px;
    height: 34px;
    border-radius: 7px;
  }

  .status-row {
    gap: 0.5rem;
    margin-top: 0.45rem;
  }

  .status-panel {
    grid-template-columns: minmax(86px, 104px) minmax(72px, 84px);
    gap: 0.45rem;
    margin-top: 0.15rem;
    margin-bottom: 0.15rem;
  }

  .status-item {
    padding: 0.45rem;
  }

  .status-item span {
    font-size: 0.72rem;
  }

  .status-item strong {
    font-size: 1.06rem;
  }

  .status-item.balance-item strong {
    font-size: 0.96rem;
  }

  .bet-controls {
    gap: 0.32rem;
    margin-top: 0.25rem;
  }

  .bet-controls .btn.small {
    min-height: 44px;
    min-width: 44px;
    padding: 0.3rem 0.7rem;
    font-size: 1.02rem;
    font-weight: 700;
  }

  .result {
    margin-top: 0.15rem;
    padding: 0.4rem 0.5rem;
  }

  .result p {
    margin: 0.12rem 0;
    font-size: 0.86rem;
    line-height: 1.2;
  }

  .paytable {
    margin-top: 0.08rem;
    padding: 0.52rem;
  }

  .paytable h2 {
    font-size: 0.84rem;
    margin-bottom: 0.28rem;
  }

  .paytable ul {
    padding-left: 0.8rem;
  }

  .paytable li {
    font-size: 0.78rem;
    padding: 0.06rem 0;
  }

  .control-buttons .btn {
    min-height: 46px;
    font-size: 0.8rem;
    padding-top: 0.36rem;
    padding-bottom: 0.36rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .header-copyright,
  .header-promo,
  .header-version {
    font-size: 0.66rem;
    margin-top: 0.05rem;
  }
}

/* Safari/iPhone portrait fine-tuning */
@supports (-webkit-touch-callout: none) {
  @media (max-width: 430px) and (orientation: portrait) {
    .app {
      padding: 0.72rem;
    }

    .topbar {
      margin-bottom: 0.12rem;
    }

    .brand h1 {
      font-size: 1.95rem;
      line-height: 0.95;
    }

    .brand-logo {
      width: 76px;
      height: 76px;
    }

    .cards {
      grid-template-columns: repeat(5, minmax(48px, 1fr));
      gap: 0.28rem;
      padding: 0.34rem;
    }

    .card-slot {
      min-height: 104px;
      border-radius: 8px;
    }

    .card-body {
      inset: 22% 13% 19% 13%;
    }

    .pip {
      font-size: 0.82rem;
    }

    .ace-logo-center {
      width: 30px;
      height: 30px;
      border-radius: 6px;
    }

    .status-row {
      gap: 0.38rem;
      margin-top: 0.32rem;
    }

    .status-panel {
      grid-template-columns: minmax(82px, 98px) minmax(68px, 80px);
      gap: 0.36rem;
    }

    .status-item {
      padding: 0.4rem;
    }

    .status-item strong {
      font-size: 1rem;
    }

    .status-item.balance-item strong {
      font-size: 0.92rem;
    }

    .bet-controls .btn.small {
      min-height: 44px;
      min-width: 42px;
      padding: 0.28rem 0.58rem;
      font-size: 0.98rem;
    }

    .result {
      padding: 0.35rem 0.45rem;
    }

    .result p {
      font-size: 0.8rem;
    }

    .paytable {
      padding: 0.42rem;
    }

    .paytable h2 {
      font-size: 0.8rem;
      margin-bottom: 0.22rem;
    }

    .paytable li {
      font-size: 0.74rem;
      padding: 0.04rem 0;
    }
  }
}

@media (max-width: 900px) and (orientation: landscape) {
  .brand-logo {
    width: 103px;
    height: 103px;
  }

  .brand p {
    white-space: nowrap;
    font-size: 0.72rem;
  }
}