/* ==========================================================================
   Moon Phase — Stylesheet
   ========================================================================== */

/* --- custom properties --- */
:root {
  /* colors */
  --bg-primary: #0a0a0a;
  --bg-panel: rgba(18, 18, 18, 0.94);
  --bg-input: #1a1a1a;
  --bg-code: #111;
  --border-color: #333;
  --border-dim: #222;
  --text-primary: #e0e0e0;
  --text-secondary: #ccc;
  --text-dim: #999;
  --text-muted: #888;
  --text-label: #666;
  --text-section: #555;
  --color-warning-bg: #332200;
  --color-warning: #ffa500;

  /* typography */
  --font-mono: "Courier New", Courier, monospace;
  --fs-body: 14px;
  --fs-small: 13px;
  --fs-label: 12px;
  --fs-header: 12px;
  --fs-section: 11px;

  /* layout */
  --panel-min-w: 180px;
  --panel-max-w: 340px;
  --panel-padding: 8px 10px;
}

/* --- reset --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* --- body & moon container --- */
body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-mono);
  overflow: hidden;
}

#moon-container {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 0;
}

#moon-art {
  --cols: 160;
  --rows: 124;
  --pad: 0.92;
  margin: 0;
  line-height: 1.0;
  white-space: pre;
  min-width: calc(var(--cols) * 1ch);
  pointer-events: none;
  font-size: max(2px, min(
    calc(var(--pad) * 100vw / (var(--cols) * 0.7752)),
    calc(var(--pad) * 100vh / var(--rows))
  ));
}

/* --- panel system --- */
.panel {
  position: fixed;
  z-index: 100;
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  min-width: var(--panel-min-w);
  max-width: var(--panel-max-w);
  font-size: var(--fs-small);
  user-select: none;

  &.collapsed {
    & .panel-body { display: none; }
    & .panel-header { border-bottom-color: transparent; }
  }
}

.panel-header {
  padding: 5px 10px;
  cursor: grab;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--fs-header);
  text-transform: uppercase;
  letter-spacing: 0.08em;

  &:active { cursor: grabbing; }
}

.toggle {
  font-size: 14px;
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  cursor: pointer;
}

.panel-body {
  padding: var(--panel-padding);
  font-size: var(--fs-body);

  & pre {
    margin: 0;
    font-size: var(--fs-small);
    line-height: 1.3;
    color: var(--text-secondary);
  }
}

/* --- controls --- */
.ctrl-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 4px 0;
}

.ctrl-row-top {
  align-items: flex-start;
}

.ctrl-label {
  color: var(--text-label);
  font-size: var(--fs-label);
  min-width: 58px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.ctrl-val {
  color: var(--text-dim);
  font-size: var(--fs-label);
  min-width: 32px;
  text-align: right;
}

input[type=range] {
  -webkit-appearance: none;
  appearance: none;
  background: var(--border-dim);
  height: 3px;
  border-radius: 2px;
  outline: none;
  flex: 1;
  cursor: pointer;

  &::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 10px;
    height: 10px;
    background: var(--text-muted);
    border-radius: 50%;
    cursor: pointer;
  }

  &::-moz-range-thumb {
    width: 10px;
    height: 10px;
    background: var(--text-muted);
    border: none;
    border-radius: 50%;
    cursor: pointer;
  }
}

input[type=text] {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-family: inherit;
  font-size: var(--fs-small);
  padding: 2px 4px;
  width: 80px;
}

/* +/- buttons */
.ctrl-btn {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  width: 20px;
  height: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: 0;

  &:hover { color: var(--text-primary); border-color: var(--text-muted); }
  &:active { background: var(--border-color); }
}

/* editable number value next to sliders */
.ctrl-val-input {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  width: 52px;
  padding: 1px 3px;
  text-align: right;
  -moz-appearance: textfield;

  &::-webkit-inner-spin-button,
  &::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
  }

  &:focus {
    outline: none;
    border-color: var(--text-muted);
    color: var(--text-secondary);
  }
}

/* custom radio buttons */
input[type=radio] {
  appearance: none;
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border: 1px solid var(--text-muted);
  border-radius: 50%;
  background: var(--bg-input);
  cursor: pointer;
  flex-shrink: 0;

  &:checked {
    background: var(--text-muted);
    box-shadow: inset 0 0 0 2px var(--bg-input);
  }

  &:hover { border-color: var(--text-secondary); }
}

/* custom checkbox */
input[type=checkbox] {
  appearance: none;
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border: 1px solid var(--text-muted);
  background: var(--bg-input);
  cursor: pointer;
  font-family: var(--font-mono);
  position: relative;
  flex-shrink: 0;

  &:checked::after {
    content: "x";
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 11px;
    line-height: 1;
  }

  &:hover { border-color: var(--text-secondary); }
}

.radio-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;

  & label {
    color: var(--text-dim);
    font-size: var(--fs-label);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 3px;
  }
}

/* time input */
.time-control {
  display: flex;
  flex: 1;
  min-width: 0;
  flex-direction: column;
  gap: 6px;
}

.time-step-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.time-input-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.ctrl-date-input,
.ctrl-clock-input {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  padding: 5px 6px;
  min-width: 0;

  &:focus {
    border-color: var(--text-muted);
    outline: none;
  }

  &:disabled {
    color: var(--text-label);
  }
}

.ctrl-date-input {
  flex: 1 1 150px;
}

.ctrl-clock-input {
  flex: 0 1 112px;
}

.time-step-btn {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  height: 20px;
  padding: 0 6px;
  cursor: pointer;

  &:hover { color: var(--text-primary); border-color: var(--text-muted); }
  &:active { background: var(--border-color); }
}

.time-now-btn {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  height: 20px;
  padding: 0 6px;
  cursor: pointer;

  &:hover { color: var(--text-primary); border-color: var(--text-muted); }
  &:active { background: var(--border-color); }
}
.ctrl-time-hint {
  color: var(--text-label);
  font-size: var(--fs-section);
}

.sep {
  border-top: 1px solid var(--border-dim);
  margin: 6px 0;
}

/* --- info panel --- */
.info-section {
  margin-bottom: 6px;
}

.info-section-title {
  color: var(--text-section);
  font-size: var(--fs-section);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 2px;
}

.info-row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin: 1px 0;
}

.info-key {
  color: var(--text-label);
  font-size: var(--fs-small);
}

.info-val {
  color: var(--text-secondary);
  font-size: var(--fs-small);
  text-align: right;

  &.phase-name { color: var(--text-primary); }
}

/* --- curl preview --- */
#curl-cmd {
  background: var(--bg-code);
  border: 1px solid var(--border-dim);
  padding: 6px 8px;
  font-size: var(--fs-label);
  color: var(--text-dim);
  white-space: pre-wrap;
  word-break: break-all;
  cursor: pointer;
  line-height: 1.4;

  &:hover { color: var(--text-secondary); }
}

/* --- world map --- */
#panel-map { max-width: min(720px, 95vw); overflow: hidden; }

.map-marker {
  color: #ff4444;
}

.ctrl-coord {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-family: inherit;
  font-size: var(--fs-small);
  padding: 2px 4px;
  width: 90px;

  &.invalid { border-color: #993333; }
  &:focus { border-color: var(--text-muted); outline: none; }
}

#btn-geoloc.geoloc-active { border-color: #4a9; color: #4a9; }
#btn-geoloc.geoloc-error  { border-color: #993333; color: #993333; }

.map-attribution {
  color: var(--text-label);
  font-size: var(--fs-section);
  margin-top: 4px;
}

#panel-map .clickable-map {
  cursor: crosshair;
  font-size: 4px;
  line-height: 1.15;
  pointer-events: auto;
  max-width: 100%;
  overflow: hidden;
}

/* --- warning bar --- */
.warning-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: var(--color-warning-bg);
  color: var(--color-warning);
  font-size: var(--fs-label);
  padding: 4px 12px;
  text-align: center;
  display: none;
}

/* --- greyscale palette for compact moon art (24 levels, v = 8 + 10*i) --- */
.g0{color:#080808}.g1{color:#121212}.g2{color:#1c1c1c}.g3{color:#262626}
.g4{color:#303030}.g5{color:#3a3a3a}.g6{color:#444444}.g7{color:#4e4e4e}
.g8{color:#585858}.g9{color:#626262}.g10{color:#6c6c6c}.g11{color:#767676}
.g12{color:#808080}.g13{color:#8a8a8a}.g14{color:#949494}.g15{color:#9e9e9e}
.g16{color:#a8a8a8}.g17{color:#b2b2b2}.g18{color:#bcbcbc}.g19{color:#c6c6c6}
.g20{color:#d0d0d0}.g21{color:#dadada}.g22{color:#e4e4e4}.g23{color:#eeeeee}

/* --- responsive layout --- */
@media (max-width: 768px) {
  #moon-art { --pad: 0.85; }

  body {
    display: flex;
    flex-direction: column;
    overflow: auto;
  }

  #moon-container {
    position: relative;
    inset: auto;
    min-height: 50vh;
    order: 3;
  }

  .panel {
    position: static !important;
    top: auto !important;
    left: auto !important;
    right: auto !important;
    bottom: auto !important;
    z-index: auto !important;
    max-width: 100%;
    min-width: 0;
    border-left: none;
    border-right: none;
  }

  .panel-header {
    cursor: default;
  }

  #panel-settings { order: 1; }
  #panel-info { order: 2; }
  #panel-sky { order: 4; }
  #panel-map { order: 5; }

  #warning-bar {
    position: static;
    order: 0;
  }
}