:root {
  --bg-color: #1e2130;
  --card-bg: #2b2e42;
  --text-color: #ffffff;
  --accent-color: #e53935;
  /* Red */
  --accent-blue: #2196f3;
  /* Blue for settings */
  --accent-secondary: #e0e0e0;
  --gauge-bg: #3e4259;
  --gauge-color-secondary: #4caf50;
  /* Green for top gauges */
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-color);
  background-image: url('../assets/background-table.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  color: var(--text-color);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  display: flex;
  justify-content: center;
  min-height: 100vh;
}

body.dark-mode {
  background-image: none;
  background-color: var(-card-bg);
}

.app-container {
  width: 100%;
  max-width: 600px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 20px;
  padding: 20px;
  box-sizing: border-box;
}

.gauges-row {
  display: flex;
  justify-content: center;
  gap: 15px;
  align-items: center;
  width: 100%;
  margin-bottom: 0px;
  margin-top: 0px;
}

.gauges-row.main-gauges {
  justify-content: center;
  gap: 10px;
  margin-bottom: 10px;
}

.gauge-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  width: 45%;
}

.gauge-wrapper.small {
  width: 20%;
}

.gauge-wrapper.medium {
  width: 30%;
}

.gauge-container {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  /* Aspect ratio 1:1 */
  touch-action: none;
  /* Prevent scrolling while interacting */
  cursor: ns-resize;
  user-select: none;
  -webkit-user-select: none;
  background: rgba(0, 0, 0, 0.4);
  /* Darkening effect for contrast */
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 50%;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  transition:
    opacity 0.3s ease,
    filter 0.3s ease;
  overflow: visible;
}

body:not(.gf-mode) #gf-low-gauge-container,
body:not(.gf-mode) #gf-high-gauge-container,
body:not(.gf-mode) #gf-low-gauge-container-2,
body:not(.gf-mode) #gf-high-gauge-container-2 {
  opacity: 0.3;
  filter: grayscale(1);
  pointer-events: none;
}

.gauge-ring {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transform: rotate(0deg);
  overflow: visible;
}

.ring-bg {
  stroke: var(--gauge-bg);
  fill: none;
}

.ring-progress {
  stroke: var(--accent-color);
  fill: none;
  transition: stroke-dashoffset 0.1s linear;
}

.fixed-color-gauge-ring {
  stroke: var(--accent-blue);
}

#gf-low-progress,
#gf-high-progress,
#gf-low-progress-2,
#gf-high-progress-2 {
  stroke: var(--gauge-color-secondary);
}

body.gf-mode .ring-progress:not(.fixed-color-gauge-ring) {
  stroke: var(--gauge-color-secondary);
}

body.gf-mode .majoration-display {
  color: var(--gauge-color-secondary);
}

.gauge-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  pointer-events: none;
  /* Let clicks pass through to container */
}

.gauge-value {
  font-size: 1.5rem;
  font-weight: 300;
}

.gauge-value.small-text {
  font-size: 1.2rem;
}

.gauge-unit {
  font-size: 0.9rem;
  color: #ccc;
  margin-top: 5px;
}

.gauge-wrapper.small .gauge-unit-small {
  font-size: 0.7rem;
  color: #ccc;
  margin-top: 2px;
}

.gauge-ticks line {
  stroke-width: 2;
  stroke-linecap: round;
}

.gauge-ticks text {
  font-size: 10px;
  font-weight: bold;
  text-anchor: middle;
  fill: #fff;
  /* dominant-baseline: middle; */
}

/* Specific overrides */
.gauge-tick-warning line {
  stroke: #ffa500;
  stroke-width: 2.5;
}

.gauge-tick-warning text {
  fill: #ffa500;
  font-weight: 800;
}

.gauge-tick-stop line {
  stroke: #000;
  stroke-width: 3;
}

.gauge-tick-stop text {
  fill: #fff;
  font-size: 9px;
}

.gauge-tick-max line {
  stroke: #888;
  stroke-width: 2;
  stroke-dasharray: 2, 2;
}

.gauge-label {
  margin-top: 10px;
  font-size: 0.65rem;
  color: #fff;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  padding: 4px 12px;
  border-radius: 15px;
  white-space: nowrap;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

.gauge-wrapper.horizontal-label {
  flex-direction: row;
  width: 100%;
  justify-content: center;
  gap: 15px;
  align-items: center;
}

.gauge-wrapper.horizontal-label .gauge-label {
  margin-top: 0;
}

.gauge-wrapper.horizontal-label .gauge-container {
  width: 25%;
  aspect-ratio: 1 / 1;
  min-width: 80px;
  max-width: 120px;
}

.results-container {
  background: rgba(0, 0, 0, 0.4);
  /* Darkening effect */
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 20px;
  min-height: 150px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.actions-container,
.sharing-buttons {
  display: flex;
  justify-content: center;
  gap: 10px;
  align-items: center;
  margin: 15px 0;
}

.action-btn {
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-color);
  padding: 10px 20px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: background 0.2s;
}

.action-btn:hover {
  background: rgba(0, 0, 0, 0.6);
}

.install-app-container {
  display: none;
  justify-content: center;
  margin-bottom: 20px;
  width: 100%;
}

.stops-display {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 15px;
  min-height: 160px;
  height: auto;
  margin-top: 10px;
  width: 100%;
}

.stop-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  width: 40px;
}

.stops-display.compact-stops {
  gap: 2px;
  padding: 0 5px;
}

.stops-display.compact-stops .stop-item {
  width: auto;
  flex: 1 1 0;
  min-width: 0;
  max-width: 40px;
}

.stops-display.compact-stops .stop-time {
  font-size: 1.2rem;
}

.stops-display.compact-stops .stop-depth {
  font-size: 0.8rem;
}

.stop-depth {
  font-size: 1rem;
  color: #aaa;
  margin-bottom: 5px;
}

.stop-line {
  width: 1px;
  background-color: #aaa;
}

.stop-value-container {
  height: 40px;
  /* Fixed height for bottom area */
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 5px;
}

.stop-dot {
  width: 8px;
  height: 8px;
  background-color: #aaa;
  border-radius: 50%;
}

.stop-time {
  font-size: 1.8rem;
  font-weight: 400;
  color: #fff;
  line-height: 1;
}

.stop-item.active .stop-depth {
  color: #fff;
  /* Optional: highlight active depth label */
}

.stop-item.active .stop-line {
  background-color: #fff;
  /* Optional: highlight active line */
}

.placeholder-text {
  color: #aaa;
  font-style: italic;
  align-self: center;
}

.dive-details {
  /* margin-top: 20px; */
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 100px;
  justify-content: center;
}

.results-row {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: 8px;
  width: 100%;
  flex-wrap: nowrap;
}

.result-box {
  background: rgba(255, 255, 255, 0.1);
  border: 4px solid rgba(255, 255, 255, 0.2);
  padding: 6px 4px;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 2;
  min-width: 0;
}

.result-box.important {
  background: rgba(33, 150, 243, 0.2);
  border-color: rgba(33, 150, 243, 0.4);
}

.result-box.group {
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex: 3;
  gap: 0;
  padding: 6px 4px;
}

.result-label-header {
  font-size: 0.7rem;
  text-transform: uppercase;
  opacity: 0.8;
  text-align: center;
  width: 100%;
}

.group-columns {
  display: flex;
  flex-direction: row;
  justify-content: space-around;
  width: 100%;
}

.group-columns > div {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
}

.result-box.clickable {
  cursor: pointer;
  transition: background 0.2s;
}

.result-box.clickable:hover {
  background: rgba(33, 150, 243, 0.3);
}

.result-box .result-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  opacity: 0.8;
  margin-bottom: 2px;
  text-align: center;
  line-height: 1.2;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-grow: 1;
}

.result-box .result-value {
  font-size: 1.1rem;
  font-weight: bold;
  white-space: nowrap;
}
.result-box .result-value-remaining {
  font-size: 1.1rem;
  font-weight: bold;
  white-space: nowrap;
}

.gps-badge {
  background: var(--accent-color);
  padding: 3px 6px;
  border-radius: 4px;
  font-weight: bold;
  font-size: 0.8rem;
  width: 50px;
  text-align: center;
  box-sizing: border-box;
}

.gps-center {
  display: flex;
  justify-content: center;
  align-items: center;
  min-width: 60px;
  z-index: 10;
}

.disclaimer-box {
  background: rgba(229, 57, 53, 0.1);
  border: 1px solid rgba(229, 57, 53, 0.3);
  padding: 15px;
  border-radius: 8px;
  margin-top: 20px;
  font-size: 0.9rem;
  line-height: 1.4;
}

.disclaimer-box strong {
  color: var(--accent-color);
  display: block;
  margin-bottom: 5px;
}

/* Successive dive section */
.successive-container {
  margin: 10px 0;
  padding: 15px;
}

.glass-panel {
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 20px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.successive-header {
  display: flex;
  align-items: center;
  gap: 15px;
  color: #fff;
  font-size: 1.1rem;
  margin-bottom: 15px;
}

.successive-controls {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  margin-top: 15px;
  gap: 15px;
  width: 100%;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.control-group label {
  font-size: 0.8rem;
  color: #aaa;
}

.majoration-display {
  text-align: center;
  margin-bottom: 15px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent-color);
  background: rgba(0, 0, 0, 0.3);
  padding: 8px 15px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.help-icon-inline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  font-size: 0.7rem;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.5);
  flex-shrink: 0;
  min-width: 18px;
  min-height: 18px;
}

.glass-input {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  padding: 8px;
  border-radius: 10px;
  font-size: 1rem;
  width: 60px;
  text-align: center;
}

.glass-input option {
  background: #2b2e42;
  color: #fff;
}

/* Switch */
.switch {
  position: relative;
  display: inline-block;
  width: 40px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, 0.2);
  transition: 0.4s;
}

.slider:before {
  position: absolute;
  content: '';
  height: 16px;
  width: 16px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: 0.4s;
}

input:checked + .slider {
  background-color: var(--accent-color);
}

input:checked + .slider:before {
  transform: translateX(16px);
}

.slider.round {
  border-radius: 24px;
}

.slider.round:before {
  border-radius: 50%;
}

/* Interaction feedback */
.gauge-container:active {
  transform: scale(0.98);
  transition: transform 0.1s;
}

/* Keyboard focus visuals for accessibility */
.gauge-container:focus-visible,
.action-btn:focus-visible,
.gauge-dropdown-item:focus-visible,
.result-box:focus-visible,
.modal h1:focus-visible {
  outline: 3px solid rgba(255, 255, 255, 0.25);
  outline-offset: 2px;
}

/* Remove default outline for modal title on focus (it's programmatically focused) */
.modal h1:focus {
  outline: none;
}

/* Small mobile devices */
@media (max-width: 400px) {
  .app-container {
    padding: 10px;
  }

  .gauges-row {
    gap: 8px;
  }

  .gauge-wrapper.small {
    width: 23%;
  }

  .gauge-value.small-text {
    font-size: 1.1rem;
  }

  .gauge-unit {
    font-size: 0.7rem;
    margin-top: 2px;
  }

  .toggle-wrapper.ppo2-toggle {
    min-width: 65px;
  }

  .ppo2-toggle .toggle-option {
    font-size: 0.7rem;
    padding: 6px 0;
  }

  .ppo2-label {
    font-size: 0.6rem;
    padding: 2px 4px;
    margin-top: 4px;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 6px;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    width: 100%;
    text-align: center;
    box-sizing: border-box;
  }
}

/* Toggle Styles */
.toggle-container {
  margin-bottom: 10px;
}

.toggle-wrapper {
  display: flex;
  position: relative;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 3px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
  width: 25%;
  min-width: 120px;
}

.toggle-wrapper input[type='radio'] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-option {
  flex: 1;
  text-align: center;
  padding: 6px 0;
  cursor: pointer;
  z-index: 2;
  color: #ccc;
  transition: color 0.3s ease;
  font-weight: 500;
  font-size: 0.8rem;
}

.toggle-wrapper input[type='radio']:checked + .toggle-option {
  color: #fff;
}

.toggle-slider {
  position: absolute;
  top: 3px;
  left: 3px;
  bottom: 3px;
  width: calc(50% - 3px);
  /* Default for 2 options */
  background: var(--accent-color);
  border-radius: 17px;
  transition:
    transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
    background 0.3s ease;
  z-index: 1;
}

#mode-gf:checked ~ .toggle-slider {
  transform: translateX(100%);
  background: var(--gauge-color-secondary);
}

/* 3-options surpenalisation toggle */
.toggle-wrapper.surpenalisation-toggle {
  width: 160px;
  min-width: 160px;
  margin-left: 10px;
}

.surpenalisation-toggle .toggle-slider {
  width: calc(33.33% - 3px);
  background: var(--gauge-color-secondary);
}

#surpenalisation-c60:checked ~ .toggle-slider {
  transform: translateX(100%);
  background: var(--gauge-color-secondary);
}

#surpenalisation-c120:checked ~ .toggle-slider {
  transform: translateX(200%);
  background: var(--gauge-color-secondary);
}

.toggle-wrapper.surpenalisation-toggle .toggle-option {
  font-size: 0.7rem;
}

.toggle-wrapper.ppo2-toggle {
  width: 100%;
  min-width: 80px;
}

.ppo2-toggle .toggle-option {
  padding: 8px 0;
}

.ppo2-toggle .toggle-slider {
  background: #ffa500;
}

.ppo2-toggle input[type='radio']:checked + .toggle-option {
  color: #000;
}

.ppo2-label {
  margin-top: 5px;
  font-size: 0.8rem;
  color: #fff;
  background: rgba(0, 0, 0, 0.5);
  padding: 2px 10px;
  border-radius: 12px;
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
  white-space: nowrap;
}

#ppo2-16:checked ~ .toggle-slider {
  transform: translateX(100%);
}

.ring-warning {
  transition:
    stroke-dashoffset 0.1s linear,
    stroke-dasharray 0.1s linear;
  stroke-linecap: butt;
}

/* Footer Links */
.footer-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 15px;
  border-radius: 20px;
  margin-bottom: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-links a {
  color: var(--text-color);
  text-decoration: none;
  font-size: 0.9em;
  opacity: 0.8;
  border-bottom: 1px solid transparent;
  transition:
    border-bottom 0.2s,
    opacity 0.2s;
}

.footer-links a:hover {
  border-bottom: 1px solid var(--accent-color);
  opacity: 1;
}

.footer-icon {
  width: 24px;
  height: 24px;
  vertical-align: middle;
}

#qrcode-container {
  margin-top: 20px;
  background: white;
  padding: 15px;
  display: inline-block;
  border-radius: 15px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  line-height: 0;
}

#qrcode-container svg {
  width: 200px;
  height: 200px;
}

.share-link-container {
  margin-top: 20px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

#share-link-input {
  width: 100%;
  padding: 12px;
  margin-top: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  border-radius: 12px;
  box-sizing: border-box;
  font-size: 0.85rem;
  text-align: center;
}

#copy-link-btn {
  margin-top: 15px;
  width: 100%;
  padding: 12px;
  font-weight: 600;
}

#camera-container {
  margin-top: 20px;
  position: relative;
  width: 100%;
  aspect-ratio: 1/1;
  overflow: hidden;
  background: #000;
  border-radius: 20px;
  border: 3px solid rgba(255, 255, 255, 0.1);
}

#scan-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.scan-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 70%;
  height: 70%;
  border: 2px dashed rgba(255, 255, 255, 0.5);
  pointer-events: none;
  border-radius: 10px;
}

#scan-status {
  margin-top: 15px;
  text-align: center;
  opacity: 0.7;
  font-size: 0.9rem;
}

.saturation-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 5px;
  font-size: 0.7rem;
  color: white;
}

.saturation-table th,
.saturation-table td {
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 2px 2px;
  text-align: center;
}

.saturation-table th {
  background: rgba(255, 255, 255, 0.05);
  font-weight: 600;
}

.leading-compartment {
  border: 2px solid #e53935 !important;
  position: relative;
  box-sizing: border-box;
}

.affected-compartment {
  font-weight: bold;
  color: #ffeb3b !important; /* Bright yellow for visibility */
}

.saturation-table-sentence {
  text-align: center;
  font-style: italic;
  font-size: 0.7rem;
  margin: 5px 0;
  opacity: 0.8;
}

.lang-selector,
.theme-selector {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  vertical-align: middle;
}

.flag-icon {
  width: 20px;
  height: auto;
  border-radius: 2px;
}

.lang-selector .switch,
.theme-selector .switch {
  width: 34px;
  height: 20px;
}

.lang-selector .slider,
.theme-selector .slider {
  background-color: rgba(255, 255, 255, 0.15);
}

.lang-selector .slider:before,
.theme-selector .slider:before {
  height: 14px;
  width: 14px;
  left: 3px;
  bottom: 3px;
}

.lang-selector input:checked + .slider,
.theme-selector input:checked + .slider {
  background-color: rgba(255, 255, 255, 0.15);
}

.lang-selector input:checked + .slider:before,
.theme-selector input:checked + .slider:before {
  transform: translateX(14px);
}

.footer-links a:has(img),
.footer-links a:has(img):hover {
  border-bottom: none;
  text-decoration: none;
}

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  overflow: auto;
}

.modal-content {
  background: rgba(43, 46, 66, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  margin: 10vh auto;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  width: 90%;
  max-width: 400px;
  border-radius: 28px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7);
  color: var(--text-color);
  position: relative;
  box-sizing: border-box;
  animation: modalFadeIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
    transform: scale(0.9) translateY(20px);
  }

  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal h1 {
  margin-top: 0;
  color: var(--text-color);
  font-size: 1.4rem;
  margin-bottom: 20px;
  text-align: center;
  font-weight: 600;
}

.modal h2 {
  margin-top: 0;
  color: var(--text-color);
  font-size: 1.5rem;
  margin-bottom: 15px;
  text-align: center;
}

.modal h3 {
  color: var(--text-color);
  font-size: 1.1rem;
  margin-top: 20px;
  margin-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 5px;
}

.modal ul {
  padding-left: 20px;
  line-height: 1.6;
  margin: 0;
}

.modal li {
  margin-bottom: 8px;
  font-size: 0.95rem;
  color: #ddd;
}

/* Specific for Gas and Time breakdown lists */
#gas-breakdown-list,
#time-breakdown-list,
#gas-breakdown-list ul,
#time-breakdown-list ul {
  list-style-type: none;
  padding-left: 20px;
}

.modal-content a {
  color: #64b5f6;
  text-decoration: underline;
}

.modal-content a:hover {
  color: #90caf9;
}

.modal p {
  line-height: 1.6;
  font-size: 0.95rem;
  color: #ddd;
}

.modal-close {
  position: absolute;
  top: 10px;
  right: 15px;
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
  padding: 5px;
  opacity: 0.7;
  transition: opacity 0.2s;
  z-index: 10;
}

.modal-close:hover {
  opacity: 1;
}

.gauge-dropdown-close {
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  padding: 5px;
  opacity: 0.7;
}

.gauge-dropdown-close:hover {
  opacity: 1;
}

#interval-row {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Widescreen Layout */
@media (min-width: 900px) {
  .app-container {
    max-width: 1200px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: min-content;
    column-gap: 40px;
    row-gap: 30px;
    align-items: start;
  }

  #gas-settings-row,
  .toggle-container,
  .install-app-container,
  .footer-links {
    grid-column: 1 / -1;
  }

  /* Limit size of top gauges */
  #gas-settings-row .gauge-wrapper.small {
    width: 120px;
  }

  .toggle-container {
    display: flex;
    justify-content: center;
    margin: 10px 0;
  }

  #first-dive-params-row {
    grid-column: 1;
    grid-row: 3;
    justify-content: center;
    gap: 20px;
    margin-bottom: 0;
  }

  #first-dive-params-row .gauge-wrapper,
  #second-dive-params-row .gauge-wrapper {
    width: 100px;
  }

  #second-dive-params-row {
    grid-column: 2;
    grid-row: 3;
    margin-top: 0;
    border-top: none;
    padding-top: 0;
    justify-content: center;
    gap: 20px;
  }

  .results-container {
    grid-column: 1;
    grid-row: 4;
    margin-top: 0;
  }

  .successive-container {
    grid-column: 2;
    grid-row: 4;
    margin-top: 0;
  }
}

.toast-popup {
  position: absolute;
  background-color: var(--gauge-color-secondary);
  color: white;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.9rem;
  pointer-events: none;
  opacity: 0;
  transition: opacity 1s ease-out;
  z-index: 10000;
  white-space: nowrap;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.toast-popup.visible {
  opacity: 1;
  transition: none;
}