:root {
  --bg: #f4f9f9;
  --panel: #ffffff;
  --accent: #ff8a00;
  --border: #d6e3e6;
  --muted: #5a6b76;
  --text: #10212b;
  --shadow: 0 10px 30px rgba(16, 33, 43, 0.08);
  --overlay-bg: rgba(0, 0, 0, 0.88);
}

* {
  box-sizing: border-box;
}

body.schedule-body {
  margin: 0;
  font-family: 'Arial', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

#langToggle {
  position: fixed;
  top: 10px;
  right: 10px;
  z-index: 3000;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 10px;
  border: 2px solid #009688;
  background: #ffffff;
  color: #009688;
  font-weight: 700;
  cursor: pointer;
  user-select: none;
}

.hidden {
  display: none !important;
}

body.no-scroll {
  overflow: hidden;
}

.button {
  background-color: #009688;
  color: white;
  border: none;
  border-radius: 20px;
  padding: 10px 20px;
  cursor: pointer;
  font-size: 16px;
  transition: background 0.3s;
}

.button:hover,
.button.selected {
  background-color: #00796B;
}

.button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.modal .button {
  min-width: 120px;
  margin: 10px 5px;
}

.button.accent {
  background-color: #FF5722;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.button.accent:hover {
  background-color: #E64A19;
  transform: scale(1.05);
}

.button.ghost {
  background-color: #ffffff;
  color: #009688;
  border: 2px solid #009688;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: #eef5f5;
  color: var(--text);
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.9rem;
}

.helper {
  color: var(--muted);
  margin: 6px 0;
  line-height: 1.4;
}

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #111;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  overflow: auto;
}

#game-options {
  display: flex;
  justify-content: center;
  align-items: center;
}

#game-options #control-panel-options {
  position: relative;
  background-color: #fff;
  color: #000;
  border: 4px solid #008080;
  border-radius: 16px;
  padding: 20px;
  width: 95%;
  max-width: 800px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 20px;
  transform: translateY(40px);
}

@media (min-width: 1024px) {
  #game-options #control-panel-options {
    width: 700px;
  }
}

#tile-picker-modal {
  display: flex;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0,0,0,0.8);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  overflow: auto;
}

#tile-picker-modal #control-panel-options {
  background-color: white;
  color: black;
  border-radius: 8px;
  padding: 20px;
  width: 95vw;
  max-width: 1400px;
  height: 90vh;
  max-height: 90vh;
  margin: 0 auto;
  overflow: hidden;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

#control-panel-title {
  font-size: 24px;
  color: black;
  margin-bottom: 20px;
}

#options-title-bar {
  position: absolute;
  top: -80px;
  left: 50%;
  width: 600px;
  transform: translateX(-50%);
  background-color: #009688;
  padding: 15px 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 4px 8px rgba(0,0,0,0.3);
  z-index: 10;
}

#options-title-bar h2 {
  margin: 0;
  font-size: 1.6rem;
  color: #fff;
}

#mode-divider {
  width: 100%;
  height: 2px;
  background-color: #009688;
  margin: 20px 0;
}

#choose-tiles-button {
  background-color: #FF5722;
  color: white;
  border: none;
  border-radius: 30px;
  padding: 15px 30px;
  font-size: 18px;
  font-weight: bold;
  transition: background-color 0.3s ease, transform 0.3s ease;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

#choose-tiles-button:hover:enabled {
  background-color: #E64A19;
  transform: scale(1.05);
}

#choose-tiles-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

#options-inline-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  width: 100%;
  margin-top: 20px;
  background: #fff;
  border-radius: 14px;
  padding: 20px;
}

#options-inline-container > div {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-width: 0;
  position: relative;
}

#options-inline-container > div:first-child {
  align-items: flex-start;
}

#options-inline-container > div:not(:last-child) {
  border-right: 2px solid #009688;
  padding-right: 20px;
}

@media (max-width: 600px) {
  #options-inline-container {
    grid-template-columns: 1fr;
    padding: 16px;
  }

  #options-inline-container > div {
    border-right: none;
    border-bottom: 2px solid #ccc;
    margin-bottom: 10px;
    padding-right: 0;
    align-items: flex-start;
  }

  #options-inline-container > div:last-child {
    border-bottom: none;
  }
}

.option-item {
  margin-bottom: 15px;
  width: 100%;
}

.teal-label {
  display: inline-flex;
  align-items: center;
  font-size: 18px;
  font-weight: bold;
  color: #333;
  cursor: pointer;
}

.teal-label:has(input[type="checkbox"]) {
  display: grid;
  grid-template-columns: 18px 1fr;
  align-items: center;
  column-gap: 6px;
}

.teal-label input[type="checkbox"] {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border: 2px solid #009688;
  border-radius: 3px;
  margin-right: 0;
  cursor: pointer;
  position: relative;
}

.teal-label:has(input[type="checkbox"]) input[type="checkbox"] {
  margin: 0;
}

.teal-label input[type="checkbox"]:checked {
  background-color: #009688;
  border-color: #00796B;
}

.control-label {
  font-size: 18px;
  font-weight: bold;
  color: #333;
}

.styled-select {
  margin-top: 6px;
  padding: 8px 12px;
  border: 2px solid #009688;
  border-radius: 12px;
  font-size: 16px;
  background: #ffffff;
  color: #333;
  cursor: pointer;
}

input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  margin: 8px 0;
  background: transparent;
}

input[type="range"]::-webkit-slider-runnable-track {
  width: 100%;
  height: 8px;
  cursor: pointer;
  background: #009688;
  border-radius: 5px;
}

input[type="range"]::-moz-range-track {
  width: 100%;
  height: 8px;
  cursor: pointer;
  background: #009688;
  border-radius: 5px;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  border: 2px solid #004D40;
  height: 20px;
  width: 20px;
  border-radius: 50%;
  background: #00796B;
  cursor: pointer;
  margin-top: -6px;
}

input[type="range"]::-moz-range-thumb {
  border: 2px solid #004D40;
  height: 20px;
  width: 20px;
  border-radius: 50%;
  background: #00796B;
  cursor: pointer;
}

input[type="range"]:focus {
  outline: none;
}

input[type="range"]:focus::-webkit-slider-thumb {
  box-shadow: 0 0 5px rgba(0,150,136,0.8);
}

input[type="range"]:focus::-moz-range-thumb {
  box-shadow: 0 0 5px rgba(0,150,136,0.8);
}

.actions-row {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

.picker-layout {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
  height: 100%;
  flex: 1;
}

.picker-scroll {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  width: 100%;
  overflow: auto;
  padding-right: 6px;
  flex: 1;
}

.picker-panel {
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.panel-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.picker-footer {
  position: sticky;
  bottom: 0;
  background: #ffffff;
  padding-top: 4px;
  box-shadow: 0 -4px 10px rgba(0, 0, 0, 0.08);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.thumb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 10px;
}

.thumb {
  border: 2px solid transparent;
  border-radius: 12px;
  overflow: hidden;
  background: #f2f6f6;
  cursor: pointer;
  transition: transform 120ms ease, border 120ms ease, box-shadow 120ms ease;
  position: relative;
  min-height: 110px;
  user-select: none;
}

.thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.thumb .thumb-label {
  position: absolute;
  left: 8px;
  bottom: 8px;
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
  padding: 3px 7px;
  border-radius: 8px;
  font-size: 0.85rem;
}

.thumb.selected,
.thumb:focus-visible {
  border-color: #009688;
  box-shadow: 0 10px 18px rgba(0, 121, 107, 0.35);
  transform: scale(1.18);
  z-index: 2;
}

.selection-strip {
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.strip-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  gap: 12px;
}

.strip-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.selection-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
  gap: 8px;
  min-height: 180px;
  justify-content: center;
}

.selection-slot {
  position: relative;
  border: 2px dashed var(--border);
  border-radius: 12px;
  background: #fff;
  height: 180px;
  min-height: 180px;
  max-width: 20vw;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  text-align: center;
  color: var(--muted);
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
  overflow: hidden;
}

.selection-slot.drag-target {
  border-color: #009688;
  background: #f1fbfc;
}

.selection-slot.filled {
  border-style: solid;
  color: var(--text);
}

.slot-image {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 10px;
}

.slot-label {
  position: absolute;
  top: 6px;
  left: 6px;
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
  padding: 2px 6px;
  border-radius: 999px;
  font-size: 0.65rem;
}

.builder-screen {
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px 16px 60px;
}

.builder-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
  box-shadow: var(--shadow);
}

.title-block h1 {
  margin: 0;
}

.builder-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 14px 0 10px;
  color: var(--muted);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.step-card {
  border: 2px dashed var(--border);
  border-radius: 16px;
  background: var(--panel);
  min-height: 230px;
  padding: 12px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 8px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.step-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.step-label {
  font-weight: 700;
}

.step-image {
  border: 1px dashed var(--border);
  border-radius: 12px;
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--muted);
  padding: 10px;
  min-height: 140px;
  overflow: hidden;
  background: #f9fbfb;
}

.step-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.step-card.assigned {
  border-color: #009688;
  box-shadow: 0 6px 16px rgba(0, 140, 149, 0.12);
}

.step-card.active-step {
  border-color: var(--accent);
  box-shadow: 0 10px 24px rgba(255, 138, 0, 0.2);
}

.step-card.completed-step .step-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  border-radius: 12px;
}

.step-card.completed-step {
  border-color: #444;
}

.meta {
  font-size: 0.9rem;
  color: var(--muted);
}

.step-card.drag-target,
.selection-slot.drag-target {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay-bg);
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px;
  box-sizing: border-box;
}

.overlay-header {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #f5f5f5;
}

.overlay-steps {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5vh;
  padding: 5vh;
  box-sizing: border-box;
  overflow: hidden;
  position: relative;
}

.overlay-steps.horizontal {
  flex-direction: row;
}

.overlay-steps.vertical {
  flex-direction: column;
}

.overlay-steps::before {
  content: '';
  position: absolute;
  left: calc(5vh + (var(--overlay-card-size, 260px) / 2));
  right: calc(5vh + (var(--overlay-card-size, 260px) / 2));
  top: 50%;
  height: 4px;
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-50%);
  z-index: 0;
}

.overlay-steps.vertical::before {
  top: calc(5vh + (var(--overlay-card-size, 260px) / 2));
  bottom: calc(5vh + (var(--overlay-card-size, 260px) / 2));
  left: 50%;
  right: auto;
  width: 4px;
  height: auto;
  transform: translateX(-50%);
  z-index: 0;
}

.overlay-steps.single::before {
  display: none;
}

.overlay-card {
  width: var(--overlay-card-size, 260px);
  height: var(--overlay-card-size, 260px);
  border-radius: 16px;
  background: var(--overlay-bg, transparent);
  border: 4px solid transparent;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
  position: relative;
  z-index: 2;
}

.overlay-card::before {
  display: none;
}

.overlay-frame {
  flex: 1;
  display: grid;
  place-items: center;
  width: 100%;
  max-height: 100%;
  z-index: 1;
}

.overlay-image {
  width: 100%;
  height: 100%;
  border-radius: 12px;
  overflow: hidden;
  background: transparent;
  display: grid;
  place-items: center;
  transition: transform 0.2s ease;
}

.overlay-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.overlay-caption {
  position: absolute;
  top: calc(100% + 2vh);
  left: 50%;
  transform: translateX(-50%);
  color: #f5f5f5;
  font-size: var(--overlay-caption-size, 1.1rem);
  text-align: center;
  padding: 6px 10px;
  z-index: 2;
}

.overlay-number {
  position: absolute;
  top: -6vh;
  left: 50%;
  transform: translateX(-50%);
  font-size: 3.2rem;
  font-weight: 700;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
  pointer-events: none;
  z-index: 2;
}

.overlay-steps.has-active-step .overlay-card {
  transform: scale(0.75);
}

.overlay-card.active-step {
  border-color: #00d68f;
  box-shadow: 0 0 18px rgba(0, 214, 143, 0.55);
  animation: pulse 1.6s ease-in-out infinite;
  transform: scale(1.22);
  z-index: 3;
}

.overlay-card.active-step .overlay-image {
  transform: scale(1.48);
}

.overlay-card.completed-step {
  filter: grayscale(1);
  border-color: #555;
  animation: none;
}

.overlay-card.completed-step .overlay-image,
.overlay-card.completed-step .overlay-caption,
.overlay-card.completed-step .overlay-number {
  opacity: 0.55;
}

.overlay-steps.style-turn .overlay-card.completed-step {
  filter: none;
  opacity: 1;
}

.overlay-steps.style-turn .overlay-card.completed-step .overlay-image,
.overlay-steps.style-turn .overlay-card.completed-step .overlay-caption,
.overlay-steps.style-turn .overlay-card.completed-step .overlay-number {
  opacity: 1;
}

.overlay-steps.style-turn .overlay-card.completed-step .overlay-image img {
  opacity: 0;
}

.overlay-steps.style-scribble .overlay-card.completed-step {
  filter: none;
  opacity: 1;
}

.overlay-steps.style-scribble .overlay-card.completed-step .overlay-image,
.overlay-steps.style-scribble .overlay-card.completed-step .overlay-caption,
.overlay-steps.style-scribble .overlay-card.completed-step .overlay-number {
  opacity: 1;
}

.overlay-steps.style-scribble .overlay-card.completed-step::after {
  content: '';
  position: absolute;
  inset: 8px;
  border-radius: 12px;
  background-image: repeating-linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.8) 0,
    rgba(255, 255, 255, 0.8) 6px,
    transparent 6px,
    transparent 14px
  );
  pointer-events: none;
  z-index: 2;
}

@keyframes pulse {
  0% { transform: scale(1.02); }
  50% { transform: scale(1.07); }
  100% { transform: scale(1.02); }
}

.overlay-hint {
  color: #e8eff0;
  font-size: 0.95rem;
}

.overlay.hidden {
  display: none;
}

@media (max-width: 800px) {
  .builder-header {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .selection-row {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  }
}
#options-inline-container .teal-label,
#options-inline-container .control-label {
  color: #000;
}

#options-inline-container .styled-select {
  background: #ffffff;
  color: #000;
  border-color: #009688;
}

#game-options .button {
  color: #fff;
}

.overlay-card.active-step .overlay-number,
.overlay-card.active-step .overlay-caption {
  transform: translateX(-50%) translateY(-2.6vh) scale(1.83);
}

.overlay-card.active-step .overlay-caption {
  top: calc(100% + 4.4vh);
}

.overlay-card.active-step .overlay-number {
  top: -10vh;
}