/* ==================== 颜色变量定义 ==================== */
:root {
  /* PANTONE BLACK C */
  --black: #2D2926; /* oklch(28.42% 0.008 59.35) */
  --black-rgb: 45, 41, 38;
  --black-okl: 28.42%;
  --black-okch: 0.008 59.35;
  /* PANTONE 18-1663 TPX Chinese Red */
  --red: #E94B35; /* oklch(63.21% 0.1981 30.99) */
  --red-rgb: 233, 75, 53;
  --red-okl: 63.21%;
  --red-okch: 0.1981 30.99;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif, Helvetica, sans-serif;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

code {
  font-family: ui-monospace, monospace;
}

.controls {
  margin: 20px 0;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 5px;
}

button {
  padding: 5px 10px;
  margin-right: 5px;
  border-radius: 3px;
  border-width: 1px;
  border-style: solid;
  border-color: rgba(var(--black-rgb), 0.06);
  background-color: rgba(var(--black-rgb), 0.03);
  cursor: pointer;
  user-select: none;
}

/* ==================== 顶部信息栏样式 ==================== */
.top-info-bar h3 {
  font-family: "SF Mono", ui-monospace, monospace;
  font-size: 15px;
  background-color: var(--black);
  color: white;
  padding: 0.5em;
  margin-top: 0;
}

/* ==================== 日历样式区域 ==================== */

#calendar-container {
  width: 100%;
}

.month-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin: 10px 0;
}

.month-nav h3 {
  margin: 0;
}

.month-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  width: 100%;
  gap: 0.5rem;
}

.following-month-title-cell {
  text-align: center;
  align-self: center;
}

.following-month-title-cell.align-bottom {
  align-self: end;
}

/* ==================== 星期标题样式区域 ==================== */
.weekday {
  padding: 5px 0;
  text-align: center;
  font-size: 0.9em;
}

.weekday.weekend {
  color: var(--red);
}

/* ==================== 日期单元格样式区域 ==================== */
.day-cell {
  margin: 2px;
  height: 4.5em;
  border-radius: 4px;
  padding: 2px;
  color: var(--black);

  display: flex;
  flex-direction: column;
  align-items: center;
}

.day-cell.non-workday {
  color: var(--red);
  background-color: rgba(var(--red-rgb), 0.07);
  border: 1px solid rgba(var(--red-rgb), 0.1);
}

.day-cell:not(.non-workday):not(.today) {
  background-color: rgba(var(--black-rgb), 0.03);
  border: 1px solid rgba(var(--black-rgb), 0.06);
}

.day-cell.today {
  background-color: transparent;
  border: 3px solid #1e90ff;
}

.day-cell p {
  margin: 0;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

.day-cell .day-number {
  margin-top: 0.5em;
  margin-bottom: 0.1em;

  color: inherit;
  font-weight: 500;
  font-size: 1.1em;
  /* border: 1px dashed; */
}

.day-cell .day-caption {
  flex-grow: 1;
  display: flex;
  /* 水平居中文字 */
  justify-content: center;
  text-align: center;;
  /* 垂直居中文字 */
  align-items: center;

  color: inherit;
  font-size: 0.75em;
  /* border: 1px dashed; */
}

/* 在文件末尾添加 */
footer {
  width: 100%;
  padding: 20px 0;
  margin-top: auto;
}

#copyright-container {
  text-align: center;
  font-size: 0.9em;
  color: rgba(var(--black-rgb), 0.6);
}