:root{
  --bg: #f4f5f6;
  --panel: #ffffff;
  --text: #1b1f24;
  --muted: #5a6572;
  --border: rgba(0,0,0,.10);
  --shadow: 0 10px 25px rgba(0,0,0,.06);
  --accent: #4b5563;        /* gris */
  --accent-2: #6b7280;      /* gris plus clair */
  --ring: rgba(75, 85, 99, .35);
  --hover: rgba(75, 85, 99, .08);

  --cell: #f9fafb;
  --cellHover: #f1f3f5;
  --todayBg: rgba(75, 85, 99, .10);

  --selectedBg: rgba(75, 85, 99, .18);
  --selectedBorder: rgba(75, 85, 99, .45);

  --gridLine: rgba(0,0,0,.06);

  --radius: 16px;
  --radiusSm: 12px;
}

:root[data-theme="dark"]{
  --bg: #0f1115;
  --panel: #151922;
  --text: #e8edf3;
  --muted: #a2acba;
  --border: rgba(255,255,255,.10);
  --shadow: 0 14px 30px rgba(0,0,0,.35);
  --accent: #cbd5e1;       /* gris clair */
  --accent-2: #9aa7b6;
  --ring: rgba(203, 213, 225, .30);
  --hover: rgba(203, 213, 225, .10);

  --cell: rgba(255,255,255,.04);
  --cellHover: rgba(255,255,255,.06);
  --todayBg: rgba(203, 213, 225, .10);

  --selectedBg: rgba(203, 213, 225, .18);
  --selectedBorder: rgba(203, 213, 225, .50);

  --gridLine: rgba(255,255,255,.07);
}

*{ box-sizing: border-box; }
html, body{ height: 100%; }
body{
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
  line-height: 1.4;
}

.sr-only{
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

.topbar{
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  backdrop-filter: blur(8px);
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  border-bottom: 1px solid var(--border);
}

.logo{
  width: 70px;
  height: auto;
  border-radius: 90px;
  display: grid;
  place-items: center;
  display: block;
}
.app{
  padding: 16px;
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

@media (min-width: 960px){
  .app{
    grid-template-columns: 1fr 340px;
    align-items: start;
  }
}

.card{
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px;
}

.calendar__header{
  display: grid;
  grid-template-columns: 44px 1fr 44px;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.calendar__titleWrap{ text-align: center; }
.calendar__title{
  font-size: 20px;
  font-weight: 800;
  letter-spacing: .2px;
}
.calendar__year{
  margin-top: 2px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.iconBtn{
  width: 44px;
  height: 40px;
  border-radius: var(--radiusSm);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  font-size: 18px;
  transition: background .15s ease, transform .05s ease, border-color .15s ease;
}
.iconBtn:hover{ background: var(--hover); }
.iconBtn:active{ transform: translateY(1px); }
.iconBtn:focus-visible{
  outline: 3px solid var(--ring);
  outline-offset: 2px;
}

.calendar__dow{
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
  padding: 6px 2px 10px;
  color: var(--muted);
  font-size: 12.5px;
  font-weight: 700;
}
.dow{ text-align: center; }

.calendarGrid{
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
  padding: 2px;
}

.dayCell{
  position: relative;
  border-radius: 12px;
  border: 1px solid var(--gridLine);
  background: var(--cell);
  min-height: 52px;
  padding: 8px 8px;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease, transform .05s ease;
}
.dayCell:hover{ background: var(--cellHover); }
.dayCell:active{ transform: translateY(1px); }

.dayCell:focus-visible{
  outline: 3px solid var(--ring);
  outline-offset: 2px;
}

.dayCell--out{
  opacity: .55;
}

.dayCell__num{
  font-weight: 750;
  font-size: 14.5px;
}

.dayCell__meta{
  margin-top: 6px;
  font-size: 11px;
  color: var(--muted);
  font-weight: 650;
}

.dayCell--today{
  background: var(--todayBg);
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
}

.dayCell--selected{
  background: var(--selectedBg);
  border-color: var(--selectedBorder);
}

.calendar__footer{
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border);
  padding-top: 12px;
}

.hint{
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
}
.dot{
  width: 10px; height: 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 55%, transparent);
  border: 1px solid var(--border);
}

.selected{
  text-align: right;
}
.selected__label{
  font-size: 12px;
  color: var(--muted);
  font-weight: 700;
}
.selected__value{
  margin-top: 3px;
  font-weight: 850;
  letter-spacing: .2px;
}

.side__title{
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 850;
}

.field{ margin-top: 10px; }
.field__label{
  display: block;
  color: var(--muted);
  font-size: 12.5px;
  font-weight: 750;
  margin-bottom: 6px;
}
.input{
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  color: var(--text);
  font-weight: 650;
}
.input:focus-visible{
  outline: 3px solid var(--ring);
  outline-offset: 2px;
}

.select{
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  color: var(--text);
  font-weight: 700;
}

.btnRow{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 12px;
}

.btn{
  padding: 11px 12px;
  border-radius: 12px;
  border: 1px solid transparent;
  background: var(--accent-2);
  color: #fff;
  cursor: pointer;
  font-weight: 850;
  transition: transform .05s ease, filter .15s ease, background .15s ease;
}
.btn:hover{ filter: brightness(1.03); }
.btn:active{ transform: translateY(1px); }
.btn:focus-visible{ outline: 3px solid var(--ring); outline-offset: 2px; }

.btn--ghost{
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.miniNotes{
  margin-top: 12px;
}
.miniNotes__p{
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
}
.miniNotes__p--muted{ opacity: .95; }

.footer{
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px 16px 26px;
  color: var(--muted);
  display: flex;
  gap: 10px;
  justify-content: center;
  align-items: center;
  font-size: 13px;
  font-weight: 650;
}
.footer__sep{ opacity: .7; }

@media (prefers-reduced-motion: reduce){
  *{ transition: none !important; }
}