:root {
  --bg:           #f5f3ee;
  --text:         #1a1a1a;
  --muted:        #7a7369;
  --panel-bg:     #ffffff;
  --panel-border: rgba(0, 0, 0, 0.10);
  --field-border: rgba(122, 115, 105, 0.30);
  --btn-bg:       #ffffff;
  --btn-border:   rgba(0, 0, 0, 0.16);
  --accent:       #3a7ca8;
  --hover:        rgba(0, 0, 0, 0.05);
  --border-focus: #1a1a1a;

  --font-ui:      system-ui, -apple-system, sans-serif;
  --font-mono:    ui-monospace, "Cascadia Code", "Fira Code", monospace;

  --page-pad:     6px;
  --calendar-ratio: 1.09;
}

:root[data-theme="dark"] {
  --bg:           #0c1018;
  --text:         #eef2fb;
  --muted:        #8b93a3;
  --panel-bg:     #141b29;
  --panel-border: #2a3243;
  --field-border: rgba(126, 138, 163, 0.40);
  --btn-bg:       #1a2230;
  --btn-border:   #2f3a4f;
  --accent:       #5b8fc4;
  --hover:        rgba(255, 255, 255, 0.06);
  --border-focus: #cfd8ec;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-ui);
  background: var(--bg);
  color: var(--text);
  padding: var(--page-pad);
  min-height: 100dvh;
  overflow: hidden;
}

main,
#calendar-container {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

main {
  min-height: calc(100dvh - var(--page-pad) * 2);
  overflow-x: visible;
}

#calendar-container svg {
  width: min(calc(100vw - var(--page-pad) * 2), calc((100dvh - var(--page-pad) * 2) * var(--calendar-ratio)));
  height: min(calc(100dvh - var(--page-pad) * 2), calc((100vw - var(--page-pad) * 2) / var(--calendar-ratio)));
  max-width: 100%;
  max-height: calc(100dvh - var(--page-pad) * 2);
  display: block;
  overflow: visible;
}

/* ── Center controls (inside the SVG) ──────────────────────────────────────── */
.center-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.38rem;
  width: 100%;
  height: 100%;
  padding: 0.22rem 0.35rem;
  color: var(--text);
}
.center-controls.cc-dark { color: #f3f6fc; }
.center-controls.cc-light { color: #1a1a1a; }

.center-coords {
  display: flex;
  gap: 0.28rem;
  width: 100%;
}

.center-field {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.12rem;
  min-width: 0;
  flex: 1 1 0;
}

.center-year { width: 100%; }

.center-label {
  font-size: 0.47rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: #7a7369;
}
.cc-dark .center-label { color: #7e8aa3; }

.center-controls input[type="number"] {
  width: 100%;
  min-width: 0;
  font-family: var(--font-mono);
  color: inherit;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(122, 115, 105, 0.28);
  border-radius: 0;
  text-align: center;
  -moz-appearance: textfield;
  appearance: textfield;
}
.cc-dark input[type="number"] { border-bottom-color: rgba(126, 138, 163, 0.4); }

.center-controls input[type="number"]::-webkit-inner-spin-button,
.center-controls input[type="number"]::-webkit-outer-spin-button { display: none; }

.center-controls input[type="number"]:focus {
  outline: none;
  border-bottom-color: currentColor;
}

.center-year input {
  font-size: 3.15rem;
  font-weight: 700;
  letter-spacing: -0.08em;
  line-height: 1;
  padding: 0.04rem 0.18rem 0.1rem;
}

.center-coords input {
  font-size: 0.72rem;
  line-height: 1.2;
  padding: 0.14rem 0.22rem 0.18rem;
}

/* ── Day tooltip ───────────────────────────────────────────────────────────── */
.cc-tip {
  background: rgba(255, 255, 255, 0.97);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.16);
  padding: 8px 11px;
  font-size: 0.72rem;
  min-width: 150px;
  line-height: 1.45;
  color: #1a1a1a;
}
.cc-tip-date { font-weight: 700; font-size: 0.8rem; margin-bottom: 4px; border-bottom: 1px solid rgba(0, 0, 0, 0.08); padding-bottom: 3px; }
.cc-tip-row { display: flex; justify-content: space-between; gap: 14px; }
.cc-tip-row span { color: #837c70; }
.cc-tip-row b { font-variant-numeric: tabular-nums; font-family: var(--font-mono); }
.cc-tip-dark { background: rgba(16, 22, 34, 0.97); border-color: #2f3a4f; color: #eef2fb; box-shadow: 0 8px 28px rgba(0, 0, 0, 0.5); }
.cc-tip-dark .cc-tip-date { border-bottom-color: rgba(255, 255, 255, 0.12); }
.cc-tip-dark .cc-tip-row span { color: #9aa6c0; }

/* ── Settings panel ────────────────────────────────────────────────────────── */
.panel-toggle {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 30;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--panel-border);
  background: var(--panel-bg);
  color: var(--text);
  font-size: 1.1rem;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
}
.panel-toggle:hover { background: var(--hover); }

.scrim {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  z-index: 40;
}
body.panel-open .scrim { opacity: 1; pointer-events: auto; }

.panel {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: min(340px, 88vw);
  background: var(--panel-bg);
  color: var(--text);
  border-right: 1px solid var(--panel-border);
  box-shadow: 2px 0 24px rgba(0, 0, 0, 0.18);
  transform: translateX(-103%);
  transition: transform 0.24s ease;
  z-index: 50;
  display: flex;
  flex-direction: column;
}
body.panel-open .panel { transform: translateX(0); }

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--panel-border);
  flex: 0 0 auto;
}
.panel-head h2 { font-size: 0.95rem; font-weight: 700; }
.panel-close {
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 1rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
}
.panel-close:hover { background: var(--hover); color: var(--text); }

.panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 12px 16px 24px;
}

.panel-section { margin-bottom: 20px; }
.panel-section h3 {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}
.panel-section hr { border: none; border-top: 1px solid var(--panel-border); margin: 10px 0; }

.rows { display: flex; flex-direction: column; gap: 2px; }
.row {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 4px 6px;
  border-radius: 7px;
  cursor: pointer;
  font-size: 0.82rem;
}
.row:hover { background: var(--hover); }
.row input[type="checkbox"] { width: 15px; height: 15px; accent-color: var(--accent); cursor: pointer; flex: 0 0 auto; }

.stack { display: flex; flex-direction: column; gap: 8px; }
.btn-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.field-row { display: flex; align-items: center; gap: 8px; }
.field-row .in { flex: 1; }

.seg {
  display: flex;
  border: 1px solid var(--btn-border);
  border-radius: 9px;
  overflow: hidden;
}
.seg-btn {
  flex: 1;
  padding: 8px 10px;
  border: none;
  background: var(--btn-bg);
  color: var(--text);
  font: inherit;
  font-size: 0.82rem;
  cursor: pointer;
}
.seg-btn.active { background: var(--accent); color: #fff; }
.seg-btn:not(.active):hover { background: var(--hover); }

.btn {
  font: inherit;
  font-size: 0.78rem;
  padding: 6px 11px;
  border-radius: 8px;
  border: 1px solid var(--btn-border);
  background: var(--btn-bg);
  color: var(--text);
  cursor: pointer;
}
.btn:hover { border-color: var(--accent); }
.btn:active { transform: translateY(1px); }
.btn-reset { width: 100%; margin-top: 4px; color: #c0504d; border-color: #c0504d55; }

.in {
  font: inherit;
  font-size: 0.8rem;
  width: 100%;
  padding: 6px 9px;
  border-radius: 7px;
  border: 1px solid var(--btn-border);
  background: var(--btn-bg);
  color: var(--text);
}
textarea.in { resize: vertical; font-family: var(--font-mono); font-size: 0.72rem; }
select.in, select { font: inherit; font-size: 0.8rem; padding: 6px 9px; border-radius: 7px; border: 1px solid var(--btn-border); background: var(--btn-bg); color: var(--text); width: 100%; cursor: pointer; }
.mini { font-size: 0.66rem; color: var(--muted); font-weight: 600; }
.form-msg { font-size: 0.7rem; color: var(--muted); }

.cal-list { display: flex; flex-direction: column; gap: 2px; margin-bottom: 8px; }
.cal-row { display: flex; align-items: center; gap: 6px; }
.cal-row-main { flex: 1; min-width: 0; }
.cal-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 0.82rem; }
.cal-name em { color: var(--muted); font-style: normal; font-size: 0.72rem; }
.swatch { width: 22px; height: 22px; padding: 0; border: 1px solid var(--btn-border); border-radius: 5px; background: none; cursor: pointer; flex: 0 0 auto; }
.icon-btn { border: none; background: transparent; cursor: pointer; font-size: 0.85rem; padding: 4px 6px; border-radius: 6px; opacity: 0.7; }
.icon-btn:hover { background: var(--hover); opacity: 1; }

.subform { margin-top: 8px; border: 1px solid var(--panel-border); border-radius: 9px; padding: 4px 10px; }
.subform > summary { cursor: pointer; font-size: 0.78rem; font-weight: 600; padding: 5px 0; color: var(--accent); list-style: none; }
.subform > summary::-webkit-details-marker { display: none; }
.subform[open] { padding-bottom: 12px; }
.subform .stack { margin-top: 6px; }

@media (max-width: 520px) {
  :root { --page-pad: 4px; }
  .center-year input { font-size: 2.5rem; }
  .center-coords input { font-size: 0.62rem; }
}