/* Date Countdown Page Styles */
.dc-main {
  padding: 2rem 0 4rem;
}

/* Hero */
.dc-hero {
  text-align: center;
  margin-bottom: 2rem;
}

.dc-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1rem;
  color: var(--accent);
  opacity: 0.8;
}

.dc-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.dc-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

/* Section Title */
.dc-section-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
  text-align: center;
}

/* Quick Event Chips */
.dc-quick-events {
  margin-bottom: 2rem;
}

.dc-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
}

.dc-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.2rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
  white-space: nowrap;
}

.dc-chip:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.dc-chip--active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* Input Card */
.dc-input-section {
  margin-bottom: 2.5rem;
}

.dc-input-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

/* Toggle Row */
.dc-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.2rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.dc-toggle-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.dc-toggle-switch {
  display: flex;
  background: var(--bg-tertiary);
  border-radius: 50px;
  padding: 3px;
  gap: 2px;
}

.dc-toggle-btn {
  padding: 0.45rem 1.2rem;
  border: none;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}

.dc-toggle-btn--active {
  background: var(--accent);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

/* Event Name */
.dc-event-name-row {
  margin-bottom: 1.2rem;
}

.dc-event-name-row label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.dc-text-input {
  width: 100%;
  padding: 0.65rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color var(--transition);
  outline: none;
}

.dc-text-input:focus {
  border-color: var(--accent);
}

/* Date Inputs */
.dc-date-inputs {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.2rem;
  flex-wrap: wrap;
}

.dc-select-group {
  flex: 1;
  min-width: 100px;
}

.dc-select-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
}

.dc-select {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: inherit;
  cursor: pointer;
  transition: border-color var(--transition);
  outline: none;
  appearance: auto;
}

.dc-select:focus {
  border-color: var(--accent);
}

/* Calculate Button */
.dc-calc-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.85rem 1.5rem;
  background: var(--gradient-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}

.dc-calc-btn .icon {
  width: 20px;
  height: 20px;
}

.dc-calc-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  opacity: 0.95;
}

/* Countdown Section */
.dc-countdown-section {
  text-align: center;
  margin-bottom: 2.5rem;
  padding: 2rem 0;
}

.dc-event-label {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.dc-equivalent-date {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

/* Flip Card Countdown */
.dc-countdown-display {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.dc-countdown-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.dc-flip-card {
  position: relative;
  width: 80px;
  height: 90px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.dc-flip-card::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border);
  z-index: 1;
}

.dc-flip-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: rgba(0,0,0,0.02);
  pointer-events: none;
}

[data-theme="dark"] .dc-flip-card::after {
  background: rgba(255,255,255,0.02);
}

.dc-flip-value {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-en);
  line-height: 1;
  position: relative;
  z-index: 2;
}

.dc-flip-value.dc-flip-animate {
  animation: flipPulse 0.4s ease;
}

@keyframes flipPulse {
  0% { transform: scaleY(1); }
  30% { transform: scaleY(0.85); }
  60% { transform: scaleY(1.05); }
  100% { transform: scaleY(1); }
}

.dc-unit-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.dc-countdown-separator {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 1.8rem;
  animation: separatorBlink 1s ease-in-out infinite;
}

@keyframes separatorBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* Breakdown Cards */
.dc-breakdown {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-top: 1rem;
}

.dc-breakdown-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem 0.5rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition);
}

.dc-breakdown-card:hover {
  transform: translateY(-2px);
}

.dc-breakdown-value {
  display: block;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent);
  font-family: var(--font-en);
  line-height: 1.2;
}

.dc-breakdown-label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
  font-weight: 600;
}

/* Passed message */
.dc-passed-msg {
  margin-top: 1.5rem;
  padding: 0.75rem 1.25rem;
  background: #fff3cd;
  border: 1px solid #ffc107;
  border-radius: var(--radius-sm);
  color: #856404;
  font-weight: 600;
  font-size: 0.95rem;
}

[data-theme="dark"] .dc-passed-msg {
  background: #332b00;
  border-color: #664d00;
  color: #ffd54f;
}

/* Recent Countdowns */
.dc-recent-section {
  margin-bottom: 2.5rem;
}

.dc-recent-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.dc-recent-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
}

.dc-recent-item:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
  transform: translateX(-2px);
}

[dir="ltr"] .dc-recent-item:hover {
  transform: translateX(2px);
}

.dc-recent-info {
  flex: 1;
  min-width: 0;
}

.dc-recent-name {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dc-recent-date {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-top: 0.15rem;
}

.dc-recent-days {
  font-weight: 700;
  color: var(--accent);
  font-size: 0.9rem;
  white-space: nowrap;
  font-family: var(--font-en);
}

.dc-recent-delete {
  background: none;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 4px;
  border-radius: 50%;
  transition: all var(--transition);
  font-size: 1.1rem;
  line-height: 1;
}

.dc-recent-delete:hover {
  color: #e74c3c;
  background: rgba(231, 76, 60, 0.1);
}

.dc-clear-btn {
  display: block;
  margin: 1rem auto 0;
  padding: 0.5rem 1.5rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 50px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}

.dc-clear-btn:hover {
  border-color: #e74c3c;
  color: #e74c3c;
}

/* Info / FAQ */
.dc-info {
  margin-bottom: 2.5rem;
}

.dc-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.dc-info-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.dc-info-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.dc-info-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Responsive */
@media (max-width: 640px) {
  .dc-title {
    font-size: 1.5rem;
  }

  .dc-subtitle {
    font-size: 0.95rem;
  }

  .dc-flip-card {
    width: 65px;
    height: 75px;
  }

  .dc-flip-value {
    font-size: 1.9rem;
  }

  .dc-countdown-separator {
    font-size: 1.6rem;
    margin-bottom: 1.5rem;
  }

  .dc-breakdown {
    grid-template-columns: repeat(2, 1fr);
  }

  .dc-breakdown-value {
    font-size: 1.3rem;
  }

  .dc-date-inputs {
    flex-direction: column;
    gap: 0.75rem;
  }

  .dc-select-group {
    min-width: auto;
  }

  .dc-chips {
    gap: 0.5rem;
  }

  .dc-chip {
    padding: 0.45rem 0.9rem;
    font-size: 0.82rem;
  }

  .dc-toggle-row {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 400px) {
  .dc-flip-card {
    width: 58px;
    height: 65px;
  }

  .dc-flip-value {
    font-size: 1.6rem;
  }

  .dc-countdown-separator {
    font-size: 1.3rem;
  }
}