:root {
  --ink: #0a1f47;
  --muted: #607080;
  --paper: #fffdf8;
  --soft: #f6f0e5;
  --line: #ded3c2;
  --green: #14733e;
  --blue: #1162b5;
  --orange: #f05a28;
  --yellow: #f5ad10;
  --purple: #7b2e6f;
  --rose: #d94d73;
  --aqua: #168a8a;
  --shadow: 0 18px 48px rgba(18, 30, 48, 0.13);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.46) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.36) 1px, transparent 1px),
    linear-gradient(135deg, #fbf3df 0%, #e6f3ef 45%, #eef2fb 100%);
  background-size: 36px 36px, 36px 36px, auto;
  font-family: Aptos, "Segoe UI", Arial, sans-serif;
}

button {
  font: inherit;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.4rem clamp(1rem, 3vw, 2rem) 1.1rem;
}

.kicker {
  width: fit-content;
  margin: 0 0 0.35rem;
  padding: 0.28rem 0.65rem;
  border: 1px solid rgba(20, 115, 62, 0.18);
  border-radius: 8px;
  color: var(--green);
  background: rgba(255, 255, 255, 0.68);
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
}

.topbar h1 {
  margin: 0;
  font-size: clamp(2rem, 4.6vw, 4rem);
  line-height: 0.95;
  letter-spacing: 0;
  text-wrap: balance;
}

.subtitle {
  margin: 0.45rem 0 0;
  color: #0d6b48;
  font-size: clamp(1rem, 2vw, 1.4rem);
  font-weight: 700;
}

.actions {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.actions button {
  min-height: 2.65rem;
  padding: 0 1.05rem;
  border: 1px solid rgba(10, 31, 71, 0.1);
  border-radius: 8px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 8px 24px rgba(18, 30, 48, 0.1);
  cursor: pointer;
}

.actions button:hover {
  transform: translateY(-1px);
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(20rem, 25.5rem);
  gap: 1.15rem;
  padding: 0 clamp(1rem, 3vw, 2rem) 2rem;
}

.placemat,
.card-tray {
  border: 1px solid rgba(10, 31, 71, 0.08);
  background: rgba(255, 253, 248, 0.9);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.placemat {
  position: relative;
  overflow: hidden;
  min-height: calc(100vh - 8.5rem);
  padding: clamp(1rem, 2.1vw, 1.4rem);
  border-radius: 8px;
}

.placemat::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(135deg, rgba(20, 115, 62, 0.06), transparent 28%),
    linear-gradient(315deg, rgba(217, 77, 115, 0.07), transparent 26%),
    repeating-linear-gradient(0deg, transparent 0 27px, rgba(10, 31, 71, 0.025) 27px 28px);
}

.intro {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 1rem;
  margin-bottom: 1.25rem;
  padding: 0.25rem 0.15rem 0;
}

.intro strong,
.intro span {
  display: block;
  font-size: clamp(1.2rem, 2.1vw, 1.7rem);
  line-height: 1.35;
}

.intro p {
  max-width: 12.5rem;
  margin: 0;
  padding: 0.95rem 1.1rem;
  color: #17213b;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.5), transparent),
    #dbe8d4;
  border: 1px solid rgba(20, 115, 62, 0.14);
  border-radius: 46% 54% 52% 48% / 42% 44% 56% 58%;
  text-align: center;
  font-weight: 800;
  transform: rotate(2deg);
  box-shadow: 0 10px 24px rgba(20, 115, 62, 0.13);
}

.drop-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(10.5rem, 1fr));
  gap: clamp(0.85rem, 1.55vw, 1.15rem);
}

.drop-column {
  min-width: 0;
  padding: 0.7rem;
  border-radius: 8px;
  background: color-mix(in srgb, var(--zone-color) 9%, rgba(255, 255, 255, 0.72));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--zone-color) 16%, transparent);
}

.zone-heading {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 0.65rem;
  align-items: start;
  min-height: 7.4rem;
}

.number {
  width: 2.7rem;
  height: 2.7rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: white;
  font-size: 1.65rem;
  font-weight: 900;
  box-shadow: inset 0 -7px 16px rgba(0, 0, 0, 0.14), 0 8px 18px color-mix(in srgb, var(--zone-color) 26%, transparent);
}

.zone-heading h2 {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.15;
  text-wrap: balance;
}

.zone-heading p {
  margin: 0.55rem 0 0;
  color: #182742;
  font-size: 0.9rem;
  line-height: 1.45;
}

.drop-zone {
  min-height: 26rem;
  padding: 0.8rem;
  border: 2px dashed color-mix(in srgb, var(--zone-color) 62%, white);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(255, 255, 255, 0.56)),
    color-mix(in srgb, var(--zone-color) 8%, white);
  color: var(--zone-color);
  box-shadow: inset 0 0 0 5px rgba(255, 255, 255, 0.34);
  transition: background 0.16s ease, transform 0.16s ease, box-shadow 0.16s ease;
}

.drop-zone.over,
.phrase-slots.over {
  background: rgba(255, 255, 255, 0.95);
  transform: translateY(-2px);
  box-shadow: inset 0 0 0 5px color-mix(in srgb, var(--zone-color, var(--green)) 12%, white), 0 10px 28px rgba(18, 30, 48, 0.1);
}

.empty-state {
  min-height: 100%;
  display: grid;
  place-items: center;
  color: var(--zone-color);
  text-align: center;
  font-weight: 700;
  opacity: 0.82;
}

.drop-zone.has-cards .empty-state,
.phrase-slots.has-cards .empty-state {
  display: none;
}

.bottom-row {
  margin-top: 1.15rem;
}

.phrases-panel {
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.42), transparent),
    #e4eedc;
  display: grid;
  grid-template-columns: 18rem 1fr;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid rgba(20, 115, 62, 0.12);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.42);
}

.phrases-panel h2 {
  margin: 0;
  color: var(--green);
  font-size: 1.2rem;
}

.phrases-panel p {
  margin: 0.7rem 0 0;
  font-size: 0.93rem;
  line-height: 1.45;
}

.phrase-slots {
  min-height: 7rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(8rem, 1fr));
  gap: 0.55rem;
  padding: 0.6rem;
  border: 2px dashed rgba(20, 115, 62, 0.34);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.58);
}

.card-tray {
  position: sticky;
  top: 1rem;
  max-height: calc(100vh - 2rem);
  overflow: auto;
  border-radius: 8px;
  padding: 1rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(252, 250, 245, 0.9)),
    repeating-linear-gradient(135deg, rgba(10, 31, 71, 0.03) 0 9px, transparent 9px 18px);
}

.tray-header h2 {
  margin: 0;
  font-size: 1.5rem;
}

.tray-header p {
  margin: 0.35rem 0 0.8rem;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.4;
}

.tabs {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  margin-bottom: 0.9rem;
}

.tab {
  min-width: 2.35rem;
  height: 2.35rem;
  border: 1px solid color-mix(in srgb, var(--tab-color, var(--ink)) 25%, rgba(10, 31, 71, 0.1));
  border-radius: 8px;
  background: color-mix(in srgb, var(--tab-color, white) 10%, white);
  color: color-mix(in srgb, var(--tab-color, var(--ink)) 82%, var(--ink));
  font-weight: 800;
  cursor: pointer;
}

.tab.active {
  color: #fff;
  background: var(--tab-color, var(--ink));
  box-shadow: 0 8px 18px color-mix(in srgb, var(--tab-color, var(--ink)) 22%, transparent);
}

.tab[data-filter="1"] { --tab-color: var(--green); }
.tab[data-filter="2"] { --tab-color: var(--blue); }
.tab[data-filter="3"] { --tab-color: var(--orange); }
.tab[data-filter="4"] { --tab-color: var(--yellow); }
.tab[data-filter="5"] { --tab-color: var(--purple); }
.tab[data-filter="phrase"] { --tab-color: var(--aqua); }

.cards {
  display: grid;
  gap: 0.7rem;
}

.card {
  position: relative;
  min-height: 5.2rem;
  display: flex;
  align-items: center;
  padding: 0.9rem 0.95rem;
  border: 1px solid color-mix(in srgb, var(--card-color) 34%, white);
  border-top: 0.35rem solid var(--card-color);
  border-radius: 8px;
  color: #10213f;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.74)),
    color-mix(in srgb, var(--card-color) 7%, white);
  box-shadow: 0 10px 22px rgba(18, 30, 48, 0.1);
  cursor: grab;
  user-select: none;
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}

.card:hover {
  transform: translateY(-2px) rotate(-0.4deg);
  box-shadow: 0 15px 26px rgba(18, 30, 48, 0.14);
}

.card:focus-visible,
.actions button:focus-visible,
.tab:focus-visible {
  outline: 3px solid rgba(17, 98, 181, 0.35);
  outline-offset: 2px;
}

.card.selected {
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--card-color) 22%, white), 0 12px 24px rgba(18, 30, 48, 0.11);
}

.card.placed {
  min-height: 4.8rem;
  margin-bottom: 0.55rem;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.92);
}

.card small {
  position: absolute;
  top: 0.55rem;
  right: 0.55rem;
  min-width: 1.55rem;
  height: 1.55rem;
  display: grid;
  place-items: center;
  border-radius: 999px;
  color: white;
  background: var(--card-color);
  font-size: 0.72rem;
  font-weight: 900;
}

.card span {
  display: block;
  padding-right: 1.3rem;
  font-size: 0.94rem;
  line-height: 1.25;
}

.limit-note {
  margin-top: 0.45rem;
  color: #7b2e2e;
  font-size: 0.82rem;
  font-weight: 700;
}

@media (max-width: 1180px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .card-tray {
    position: static;
    max-height: none;
  }

  .drop-grid {
    grid-template-columns: repeat(2, minmax(13rem, 1fr));
  }
}

@media (max-width: 720px) {
  .topbar {
    align-items: stretch;
    flex-direction: column;
  }

  .actions {
    justify-content: start;
  }

  .intro,
  .phrases-panel {
    grid-template-columns: 1fr;
    display: grid;
  }

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

  .zone-heading {
    min-height: auto;
    margin-bottom: 0.65rem;
  }

  .drop-zone {
    min-height: 15rem;
  }
}

@media print {
  body {
    background: white;
  }

  .topbar,
  .card-tray,
  .empty-state,
  .limit-note {
    display: none !important;
  }

  .app-shell {
    display: block;
    padding: 0;
  }

  .placemat {
    min-height: auto;
    border: 0;
    box-shadow: none;
  }

  .drop-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}