/* Kanji of the Day - Styles matching lurraca.com */

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

/* Base */
html {
  font-size: 100%;
}

body {
  font-family: "Palatino Linotype", "Book Antiqua", Palatino, serif;
  background: #fff;
  color: #333;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  max-width: 480px;
  margin: 0 auto;
  padding: 20px 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
  width: 100%;
}

/* Header */
header {
  text-align: center;
  margin-bottom: 20px;
}

header h1 {
  font-family: "Yanone Kaffeesatz", Helvetica, sans-serif;
  font-weight: 400;
  font-size: 28px;
  color: #333;
  letter-spacing: 1px;
}

/* Level Selector */
.level-selector {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 20px;
}

.level-selector button {
  font-family: Helvetica, Arial, sans-serif;
  font-size: 14px;
  font-weight: bold;
  padding: 6px 16px;
  border: 1px solid #ddd;
  border-radius: 20px;
  background: #fff;
  color: #777;
  cursor: pointer;
  transition: all 0.2s;
}

.level-selector button:hover {
  border-color: #4183c4;
  color: #4183c4;
}

.level-selector button.active {
  background: #4183c4;
  border-color: #4183c4;
  color: #fff;
}

/* Date Navigation */
.date-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 24px;
}

.nav-btn {
  font-family: Helvetica, Arial, sans-serif;
  font-size: 18px;
  width: 36px;
  height: 36px;
  border: 1px solid #ddd;
  border-radius: 50%;
  background: #fff;
  color: #333;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.nav-btn:hover:not(:disabled) {
  border-color: #4183c4;
  color: #4183c4;
}

.nav-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.date-display {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.date-btn {
  font-family: Helvetica, Arial, sans-serif;
  font-size: 14px;
  color: #333;
  border: 1px solid #ddd;
  border-radius: 4px;
  padding: 4px 12px;
  background: #fff;
  cursor: pointer;
  transition: all 0.2s;
}

.date-btn:hover {
  border-color: #4183c4;
  color: #4183c4;
}

.day-label {
  font-family: Helvetica, Arial, sans-serif;
  font-size: 12px;
  color: #777;
}

.today-btn {
  font-family: Helvetica, Arial, sans-serif;
  font-size: 13px;
  padding: 6px 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
  background: #fff;
  color: #333;
  cursor: pointer;
  transition: all 0.2s;
}

.today-btn:hover:not(:disabled) {
  border-color: #4183c4;
  color: #4183c4;
}

.today-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* Loading */
.loading {
  text-align: center;
  color: #777;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 14px;
  padding: 40px 0;
}

/* Kanji Card */
.kanji-card {
  text-align: center;
}

.kanji-character {
  font-size: 8rem;
  line-height: 1.1;
  color: #111;
  margin-bottom: 8px;
  text-decoration: none;
  display: block;
}

.kanji-character:hover {
  color: #4183c4;
}

.meanings {
  font-family: "Yanone Kaffeesatz", Helvetica, sans-serif;
  font-size: 24px;
  color: #333;
  margin-bottom: 24px;
  text-transform: capitalize;
}

/* Readings */
.readings {
  margin-bottom: 20px;
}

.reading-group {
  margin-bottom: 8px;
}

.reading-group .label {
  font-family: Helvetica, Arial, sans-serif;
  font-size: 12px;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #777;
  display: block;
  margin-bottom: 2px;
}

.reading-value {
  font-size: 20px;
  color: #333;
}

/* Details */
.details {
  font-family: Helvetica, Arial, sans-serif;
  font-size: 14px;
  color: #777;
  margin-bottom: 24px;
  display: flex;
  justify-content: center;
  gap: 20px;
}

.details strong {
  color: #333;
}

.details em {
  font-style: italic;
  color: #555;
}

/* Examples */
.examples {
  border-top: 1px solid #eee;
  padding-top: 20px;
  text-align: center;
}

.examples h3 {
  font-family: "Yanone Kaffeesatz", Helvetica, sans-serif;
  font-weight: 400;
  font-size: 20px;
  color: #777;
  margin-bottom: 12px;
}

.example {
  padding: 8px 0;
  border-bottom: 1px solid #f5f5f5;
  display: inline-flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: center;
  gap: 8px;
  width: 100%;
}

.example:last-child {
  border-bottom: none;
}

.example-word {
  font-size: 20px;
  color: #111;
}

.example-reading {
  font-size: 14px;
  color: #4183c4;
}

.example-meaning {
  font-family: Helvetica, Arial, sans-serif;
  font-size: 14px;
  color: #777;
  flex-basis: 100%;
}

/* Footer */
footer {
  margin-top: auto;
  padding: 16px 0;
  border-top: 1px solid #eee;
  text-align: center;
}

footer p {
  font-family: Helvetica, Arial, sans-serif;
  font-size: 12px;
  color: #999;
}

footer a {
  color: #4183c4;
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

/* Calendar */
.calendar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.calendar {
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
  padding: 16px;
  width: 300px;
  font-family: Helvetica, Arial, sans-serif;
}

.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.calendar-month {
  font-family: "Yanone Kaffeesatz", Helvetica, sans-serif;
  font-size: 18px;
  color: #333;
}

.calendar-nav {
  width: 32px;
  height: 32px;
  border: 1px solid #ddd;
  border-radius: 50%;
  background: #fff;
  color: #333;
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.calendar-nav:hover:not(:disabled) {
  border-color: #4183c4;
  color: #4183c4;
}

.calendar-nav:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
  margin-bottom: 4px;
}

.calendar-weekdays span {
  font-size: 11px;
  font-weight: bold;
  color: #999;
  text-transform: uppercase;
  padding: 4px 0;
}

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

.calendar-day {
  width: 100%;
  aspect-ratio: 1;
  border: none;
  border-radius: 50%;
  background: transparent;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 13px;
  color: #333;
  cursor: pointer;
  transition: all 0.15s;
}

.calendar-day:hover:not(:disabled):not(.empty) {
  background: #f0f4f8;
}

.calendar-day.empty {
  cursor: default;
}

.calendar-day.disabled {
  color: #ccc;
  cursor: not-allowed;
}

.calendar-day.today {
  font-weight: bold;
  color: #4183c4;
}

.calendar-day.selected {
  background: #4183c4;
  color: #fff;
  font-weight: bold;
}

.calendar-day.selected.today {
  color: #fff;
}

/* Responsive - Desktop */
@media (min-width: 768px) {
  .container {
    max-width: 720px;
    padding: 40px 32px;
  }

  header h1 {
    font-size: 32px;
    margin-bottom: 24px;
  }

  .level-selector {
    margin-bottom: 24px;
    gap: 12px;
  }

  .date-nav {
    margin-bottom: 32px;
    gap: 12px;
  }

  .kanji-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
    gap: 0 40px;
    text-align: left;
    align-items: start;
  }

  .kanji-character {
    font-size: 12rem;
    grid-column: 1;
    grid-row: 1 / 3;
    text-align: center;
    align-self: center;
  }

  .meanings {
    grid-column: 2;
    grid-row: 1;
    font-size: 28px;
    margin-bottom: 16px;
    padding-top: 16px;
  }

  .readings {
    grid-column: 2;
    grid-row: 2;
    margin-bottom: 16px;
  }

  .details {
    grid-column: 2;
    grid-row: 3;
    justify-content: flex-start;
    margin-bottom: 0;
  }

  .examples {
    grid-column: 1 / -1;
    grid-row: 4;
    margin-top: 24px;
  }
}

@media (min-width: 1024px) {
  .container {
    max-width: 860px;
    padding: 48px 40px;
  }

  .kanji-card {
    gap: 0 60px;
  }

  .kanji-character {
    font-size: 14rem;
  }

  .meanings {
    font-size: 32px;
  }

  .reading-value {
    font-size: 22px;
  }
}