:root {
  color-scheme: light;
  --bg: #f5f5f7;
  --card: rgba(255, 255, 255, 0.86);
  --card-border: rgba(0, 0, 0, 0.08);
  --text: #1c1c1e;
  --muted: rgba(60, 60, 67, 0.6);
  --accent: #0071e3;
  --control-bg: rgba(255, 255, 255, 0.9);
  --control-border: rgba(0, 0, 0, 0.08);
  --control-text: #1c1c1e;
  --pill-bg: rgba(255, 255, 255, 0.7);
  --pill-active-text: #ffffff;
  --pill-active-bg: #0071e3;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.15);
  --divider: rgba(0, 0, 0, 0.08);
  --chart-border: rgba(0, 0, 0, 0.08);
  --chart-axis: rgba(60, 60, 67, 0.16);
  --chart-label: rgba(60, 60, 67, 0.6);
  --chart-line-shadow: rgba(0, 0, 0, 0.16);
  --chart-cursor-line: rgba(10, 132, 255, 0.6);
  --chart-cursor-fill: rgba(10, 132, 255, 0.12);
  --chart-cursor-border: rgba(10, 132, 255, 0.28);
  --chart-cursor-text: #1c1c1e;
  --chart-point-border: rgba(60, 60, 67, 0.3);
  --chart-point-border-active: rgba(10, 132, 255, 0.85);

}

:root[data-theme="gray"],
:root[data-theme="silver"] {
  --bg: #e5e5ea;
  --card: rgba(255, 255, 255, 0.82);
  --card-border: rgba(60, 60, 67, 0.2);
  --text: #1c1c1e;
  --muted: rgba(60, 60, 67, 0.6);
  --accent: #0a84ff;
  --control-bg: rgba(255, 255, 255, 0.78);
  --control-border: rgba(60, 60, 67, 0.2);
  --control-text: #1c1c1e;
  --pill-bg: rgba(255, 255, 255, 0.65);
  --pill-active-text: #ffffff;
  --pill-active-bg: #0a84ff;
  --shadow: 0 20px 44px rgba(36, 36, 38, 0.18);
  --divider: rgba(60, 60, 67, 0.16);
  --chart-border: rgba(60, 60, 67, 0.22);
  --chart-axis: rgba(60, 60, 67, 0.2);
  --chart-label: rgba(60, 60, 67, 0.65);
  --chart-line-shadow: rgba(36, 36, 38, 0.2);
  --chart-cursor-line: rgba(10, 132, 255, 0.65);
  --chart-cursor-fill: rgba(10, 132, 255, 0.14);
  --chart-cursor-border: rgba(10, 132, 255, 0.32);
  --chart-cursor-text: #1c1c1e;
  --chart-point-border: rgba(60, 60, 67, 0.32);
  --chart-point-border-active: rgba(10, 132, 255, 0.88);

}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #000000;
  --card: rgba(28, 28, 30, 0.88);
  --card-border: rgba(255, 255, 255, 0.08);
  --text: #f2f2f7;
  --muted: rgba(235, 235, 245, 0.6);
  --accent: #0a84ff;
  --control-bg: rgba(44, 44, 46, 0.82);
  --control-border: rgba(255, 255, 255, 0.12);
  --control-text: #f2f2f7;
  --pill-bg: rgba(99, 99, 102, 0.35);
  --pill-active-text: #f9f9fb;
  --pill-active-bg: #0a84ff;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.65);
  --divider: rgba(235, 235, 245, 0.16);
  --chart-border: rgba(235, 235, 245, 0.18);
  --chart-axis: rgba(235, 235, 245, 0.2);
  --chart-label: rgba(235, 235, 245, 0.66);
  --chart-line-shadow: rgba(0, 0, 0, 0.55);
  --chart-cursor-line: rgba(10, 132, 255, 0.75);
  --chart-cursor-fill: rgba(10, 132, 255, 0.18);
  --chart-cursor-border: rgba(10, 132, 255, 0.35);
  --chart-cursor-text: #f2f2f7;
  --chart-point-border: rgba(255, 255, 255, 0.25);
  --chart-point-border-active: rgba(10, 132, 255, 0.9);

}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: radial-gradient(160% 160% at 50% -40%, rgba(255, 255, 255, 0.45), transparent),
    var(--bg);
  transition: background 0.3s ease, color 0.3s ease;
}

a {
  color: inherit;
}

a:hover {
  text-decoration: underline;
}

header {
  padding: 22px 24px 8px;
}

h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
}

.nav {
  display: flex;
  gap: 10px;
  padding: 0 24px 16px;
  flex-wrap: wrap;
}

.nav a {
  color: var(--text);
  text-decoration: none;
  padding: 6px 14px;
  border-radius: 20px;
  background-color: var(--pill-bg);
  border: 1px solid transparent;
  transition: transform 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
  backdrop-filter: blur(10px);
}

.nav a:hover {
  transform: translateY(-1px);
}

.nav a.active {
  background-color: var(--pill-active-bg);
  color: var(--pill-active-text);
  box-shadow: 0 6px 16px rgba(10, 132, 255, 0.25);
}

.container {
  padding: 0 24px 24px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

main.container {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 22px;
  padding: 20px;
  margin-top: 20px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  transition: background 0.3s ease, border 0.3s ease, color 0.3s ease;
}

.card h2,
.card h3 {
  margin-top: 0;
}

.small {
  opacity: 0.85;
  font-size: 12px;
  color: var(--muted);
}

button,
input,
select,
textarea {
  background: var(--control-bg);
  border: 1px solid var(--control-border);
  color: var(--control-text);
  padding: 8px 12px;
  border-radius: 12px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: border 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  font: inherit;
}

button {
  cursor: pointer;
  font-weight: 600;
  background-image: linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(0, 0, 0, 0.08));
}

button:hover,
input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(10, 132, 255, 0.2);
  outline: none;
}

button:active {
  transform: translateY(1px);
}

.hidden {
  display: none !important;
}

.theme-card {
  margin-bottom: 24px;
}

.theme-card h2 {
  margin-bottom: 12px;
  font-size: 18px;
}

.theme-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.theme-option {
  position: relative;
  padding: 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  transition: border 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  backdrop-filter: blur(16px);
}

.theme-option input {
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--control-border);
  display: grid;
  place-items: center;
  background: transparent;
}

.theme-option input::after {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  transform: scale(0);
  transition: transform 0.2s ease;
}

.theme-option input:checked {
  border-color: var(--accent);
}

.theme-option input:checked::after {
  transform: scale(1);
}

.theme-option span {
  font-weight: 600;
}

.theme-option small {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.theme-option.active {
  border-color: var(--accent);
  box-shadow: 0 10px 24px rgba(10, 132, 255, 0.18);
}

@media (max-width: 640px) {
  .channel-slider-panel {
    gap: 10px;
  }
  .channel-slider {
    min-width: 48px;
    flex: 1 1 54px;
  }
  .channel-slider .slider-shell {
  position: relative;
  width: 32px;
  height: 180px;
  display: flex;
  justify-content: center;
  align-items: center;
  --slider-track-width: 10px;
  --slider-track-top: 37px;
  --slider-track-bottom: 26px;
}


  .channel-slider-label {
    font-size: 13px;
  }
}


  .container {
    padding: 0 16px 18px;
  }

  .card {
    padding: 16px;
    border-radius: 18px;
  }
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--pill-bg);
  color: var(--control-text);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.02em;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.shared-panel {
  display: grid;
  gap: 12px;
}

.shared-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 12px;
}

.shared-toolbar label.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--muted);
  font-weight: 600;
}

.shared-toolbar label.field span {
  color: var(--text);
}

.shared-toolbar input[type="time"] {
  min-width: 130px;
}

.shared-track {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.shared-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--card-border);
  background: rgba(255, 255, 255, 0.12);
  color: var(--text);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease, border 0.2s ease, transform 0.2s ease;
  backdrop-filter: blur(12px);
}

:root[data-theme="light"] .shared-chip {
  background: rgba(255, 255, 255, 0.9);
}

:root[data-theme="gray"] .shared-chip,
:root[data-theme="silver"] .shared-chip {
  background: rgba(255, 255, 255, 0.8);
}

:root[data-theme="dark"] .shared-chip {
  background: rgba(44, 44, 46, 0.78);
}

.shared-chip:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
}

.shared-chip.active {
  border-color: var(--accent);
}



.shared-chip.locked {
  cursor: default;
  opacity: 0.45;
  pointer-events: none;
  border-style: dashed;
}

.shared-empty {
  font-size: 12px;
  color: var(--muted);
}

/* Lighting editor layout */
.shared-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  --slider-track-width: 10px;
  --slider-track-top: 37px;
  --slider-track-bottom: 26px;
}

.shared-actions .field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--muted);
  font-weight: 600;
}

.shared-actions .field span {
  color: var(--text);
}

.mode-switch {
  display: flex;
  align-items: center;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--control-border);
  background: var(--control-bg);
}

.mode-switch > button:not(.icon-button) {
  min-height: 40px;
  border: none;
  background: transparent;
  padding: 0 14px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.mode-switch > button:not(.icon-button).active {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(10, 132, 255, 0.25);
}

.mode-switch > button:not(.icon-button):not(.active):hover {
  background: rgba(0, 0, 0, 0.06);
}

.channel-slider-panel {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

.channel-slider {
  --channel-color: var(--accent);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  min-width: 64px;
  flex: 1 1 72px;
  max-width: 120px;
}

.channel-slider .slider-shell {
  position: relative;
  width: 32px;
  height: 180px;
  display: flex;
  justify-content: center;
  align-items: center;
  --slider-track-width: 10px;
  --slider-track-top: 37px;
  --slider-track-bottom: 26px;
}

.channel-slider-input {
  touch-action: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  position: absolute;
  /* left: 50%; */
  /* top: calc(var(--slider-track-top) + var(--slider-track-width) / 2); */
  width: 120px;
  height: var(--slider-track-width);
  transform: translateX(0%) rotate(-90deg);
  transform-origin: 53% calc(38% + var(--slider-track-width) / 2);
  background: transparent;
  border: none;
  outline: none;
  cursor: pointer;
  z-index: 2;
  margin: 0;
  padding: 0 0 14px 0;
}

.channel-slider-input::-webkit-slider-runnable-track {
  -webkit-appearance: none;
  height: 4px;
  background: transparent;
  border: none;
}

.channel-slider-input::-moz-range-track {
  height: 4px;
  background: transparent;
  border: none;
}

.channel-slider-input::-ms-track {
  height: 4px;
  background: transparent;
  border: none;
  color: transparent;
}

.channel-slider-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--channel-color);
  border: none;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
  position: relative;
}

.channel-slider-input::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--channel-color);
  border: none;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
}

.channel-slider-input::-ms-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--channel-color);
  border: none;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
}

.channel-slider-input:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(10, 132, 255, 0.25);
}

.channel-slider-input:disabled {
  cursor: default;
}

.channel-slider-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  border: none;
  background: transparent;
  color: var(--text);
  font-weight: 600;
  cursor: pointer;
}

.channel-slider-label .channel-value {
  font-size: 13px;
  color: var(--muted);
}

.channel-slider.disabled .channel-slider-label {
  cursor: default;
  opacity: 0.6;
}


.slider-shell .slider-gauge {
  position: absolute;
  z-index: 1;
  left: 50%;
  top: var(--slider-track-top);
  bottom: var(--slider-track-bottom);
  width: var(--slider-track-width);
  transform: translateX(-50%);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.16);
  overflow: hidden;
}



:root[data-theme="gray"] .slider-shell .slider-gauge,
:root[data-theme="silver"] .slider-shell .slider-gauge {
  background: rgba(0, 0, 0, 0.22);
}

:root[data-theme="dark"] .slider-shell .slider-gauge {
  background: rgba(235, 235, 245, 0.22);
}

.slider-shell .slider-gauge-fill {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 0%;
  background: var(--channel-color);
  border-radius: inherit;
  transition: height 0.12s ease;
}

.channel-slider.disabled .slider-gauge {
  opacity: 0.4;
}

.channel-slider.disabled .slider-gauge-fill {
  opacity: 0.5;
}

.channel-slider.active .slider-gauge {
  box-shadow: 0 0 0 2px rgba(10, 132, 255, 0.18);
  background: rgba(10, 132, 255, 0.16);
}

.channel-slider.active .slider-gauge-fill {
  filter: brightness(1.05);
}

.channel-slider.active .channel-slider-label {
  color: var(--accent);
}

.channel-slider.active .channel-slider-label .channel-value {
  color: var(--accent);
}

@media (max-width: 900px) {
  .channel-slider-panel {
    gap: 12px;
    justify-content: space-around;
  }
  .channel-slider {
    min-width: 56px;
    flex: 1 1 64px;
  }
  .channel-slider .slider-shell {
    width: 34px;
    height: 180px;
    --slider-track-width: 10px;
    --slider-track-top: 37px;
    --slider-track-bottom: 26px;
  }
}

@media (max-width: 640px) {
  .channel-slider-panel {
    gap: 10px;
  }
  .channel-slider {
    min-width: 48px;
    flex: 1 1 54px;
  }
  .channel-slider .slider-shell {
    width: 30px;
    height: 160px;
    --slider-track-width: 10px;
    --slider-track-top: 25px;
    --slider-track-bottom: 14px;
  }
  .channel-slider-label {
    font-size: 13px;
  }
}

@media (max-width: 480px) {
  .channel-slider-panel {
    gap: 8px;
  }
  .channel-slider {
    min-width: 44px;
    flex: 1 1 48px;
  }
  .channel-slider .slider-shell {
    width: 28px;
    height: 140px;
    --slider-track-width: 10px;
    --slider-track-top: 17px;
    --slider-track-bottom: 10px;
  }
  .channel-slider-label {
    font-size: 12px;
    gap: 2px;
  }
}



.advanced-panel {
  flex-direction: column;
  gap: 16px;
}

.advanced-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  justify-content: center;
  position: relative;
  flex-direction: row;
  background: var(--pill-bg);
  padding: 4px 10px;
  border-radius: 14px;
  height: auto;
  border: 1px solid var(--control-border);
}

.zoom-controls {
  display: flex;
  gap: 8px;
  align-items: center;
}

.zoom-controls button {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 10px;
  font-size: 16px;
  line-height: 1;
}

.advanced-hint {
  font-size: 12px;
  color: var(--muted);
}

.save-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  --slider-track-width: 10px;
  --slider-track-top: 37px;
  --slider-track-bottom: 26px;
}

.save-controls input {
  width: 200px;
}

.save-controls select {
  min-width: 180px;
}



.online-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.online-grid .field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.online-grid input,
.online-grid textarea,
.online-grid select {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--control-border);
  background: var(--control-bg);
  color: var(--control-text);
  font: inherit;
}
.online-grid textarea {
  min-height: 140px;
  resize: vertical;
}
.online-grid .full-row {
  grid-column: 1 / -1;
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.status-block {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 13px;
  color: var(--muted);
}
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 12px;
}
button.primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--control-height-lg, 44px);
  padding: 0 16px;
  border-radius: var(--radius-sm, 10px);
  border: none;
  background: var(--btn-primary-bg, var(--accent));
  color: var(--btn-primary-text, #fff);
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  box-shadow: var(--btn-primary-shadow, 0 10px 24px rgba(10, 132, 255, 0.22));
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
button.primary:hover {
  background: var(--btn-primary-bg-hover, var(--accent));
}
button.primary:active {
  transform: translateY(1px);
}
button.secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--control-height-lg, 44px);
  padding: 0 16px;
  border-radius: var(--radius-sm, 10px);
  border: 1px solid var(--btn-secondary-border, var(--card-border));
  background: var(--btn-secondary-bg, var(--control-bg));
  color: var(--btn-secondary-text, var(--control-text));
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
button.secondary:hover {
  background: var(--btn-secondary-hover, var(--control-bg));
}
.badge.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.badge.status-indicator .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ccc;
}
.badge.status-indicator.online .dot {
  background: #34c759;
}
.badge.status-indicator.offline .dot {
  background: #ff3b30;
}
/* Icon components */
button.icon-button {
  padding: 0;
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  border: 1px solid var(--card-border);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
:root[data-theme="light"] button.icon-button {
  background: rgba(255, 255, 255, 0.9);
}
:root[data-theme="gray"] button.icon-button,
:root[data-theme="silver"] button.icon-button {
  background: rgba(255, 255, 255, 0.8);
}
:root[data-theme="dark"] button.icon-button {
  background: rgba(44, 44, 46, 0.72);
  border-color: rgba(255, 255, 255, 0.12);
}
button.icon-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(10, 132, 255, 0.18);
}
button.icon-button:active {
  transform: translateY(1px);
}
button.icon-button .icon {
  width: 28px;
  height: 28px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  pointer-events: none;
}
.mode-switch button.icon-button {
  border: none;
  box-shadow: none;
  background: rgba(0, 0, 0, 0.05);
}
:root[data-theme="dark"] .mode-switch button.icon-button {
  background: rgba(255, 255, 255, 0.08);
}
.mode-switch button.icon-button.active {
  background: var(--accent);
  box-shadow: 0 4px 14px rgba(10, 132, 255, 0.25);
}
.mode-switch button.icon-button:not(.active) {
  opacity: 0.75;
}
.mode-switch button.icon-button:not(.active):hover {
  opacity: 1;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.icon-heading {
  display: flex;
  align-items: center;
  gap: 12px;
}
.icon-heading .icon {
  width: 34px;
  height: 34px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
}
button.icon-button.icon-save .icon,
.icon-heading.icon-save .icon {
  background-image: url('icon/icon_103.png');
}
button.icon-button.icon-add .icon,
.icon-heading.icon-add .icon {
  background-image: url('icon/icon_104.png');
}
button.icon-button.icon-edit .icon,
.icon-heading.icon-edit .icon {
  background-image: url('icon/icon_201.png');
}
button.icon-button.icon-delete .icon,
.icon-heading.icon-delete .icon {
  background-image: url('icon/icon_202.png');
}
button.icon-button.icon-advanced .icon,
.icon-heading.icon-advanced .icon {
  background-image: url('icon/icon_203.png');
}
button.icon-button.icon-saveas .icon,
.icon-heading.icon-saveas .icon {
  background-image: url('icon/icon_204.png');
}
.icon-heading.icon-acclimation .icon {
  background-image: url('icon/icon_301.png');
}
.icon-heading.icon-thunder .icon {
  background-image: url('icon/icon_302.png');
}
.icon-heading.icon-cloud .icon {
  background-image: url('icon/icon_303.png');
}
.icon-heading.icon-lunar .icon {
  background-image: url('icon/icon_304.png');
}