/* Date Calculator — tool-specific styles */
body.page-date-calc { height: auto; min-height: 100vh; overflow: auto; }

.dc-wrap {
  max-width: 720px;
  width: 100%;
  margin: 0 auto;
  padding: 20px 24px 64px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Card */
.dc-card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Mode tabs */
.dc-mode-tabs {
  display: flex;
  background: #f1f5f9;
  border-radius: 8px;
  padding: 3px;
  gap: 2px;
}
.dc-mode-btn {
  flex: 1;
  padding: 7px 12px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: #64748b;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.dc-mode-btn.active { background: #fff; color: #1e293b; box-shadow: 0 1px 3px rgba(0,0,0,.08); }

.dc-subtabs {
  display: flex;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 7px;
  padding: 3px;
  gap: 2px;
  margin-bottom: 14px;
}
.dc-subtab {
  flex: 1;
  padding: 5px 10px;
  border: none;
  border-radius: 5px;
  background: transparent;
  color: #64748b;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.dc-subtab.active { background: #fff; color: #1e293b; box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.dc-hint { font-size: 11px; color: #94a3b8; }

/* Fields */
.dc-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.dc-field { display: flex; flex-direction: column; gap: 6px; }
.dc-field-today { position: relative; }
.dc-label {
  font-size: 12px;
  font-weight: 600;
  color: #64748b;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}
.dc-input {
  height: 40px;
  padding: 0 12px;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  font-size: 14px;
  color: #1e293b;
  background: #fff;
  outline: none;
  width: 100%;
  box-sizing: border-box;
  cursor: pointer;
}
.dc-input:focus { border-color: #2563eb; }

.dc-today-btn {
  position: absolute;
  right: 8px;
  bottom: 8px;
  padding: 3px 8px;
  background: #f1f5f9;
  border: none;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  color: #475569;
  cursor: pointer;
}
.dc-today-btn:hover { background: #e2e8f0; }

/* Section with full-width fields (for add/subtract, convert) */
.dc-fields-col { display: flex; flex-direction: column; gap: 12px; }
.dc-field-row { display: grid; grid-template-columns: 1fr auto auto; gap: 8px; align-items: end; }
.dc-field-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; align-items: end; }
.dc-select {
  height: 40px;
  padding: 0 10px;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  font-size: 13px;
  color: #1e293b;
  background: #fff;
  outline: none;
  cursor: pointer;
  box-sizing: border-box;
}
.dc-select:focus { border-color: #2563eb; }
.dc-num-input {
  height: 40px;
  padding: 0 12px;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  font-size: 14px;
  color: #1e293b;
  background: #fff;
  outline: none;
  width: 100%;
  box-sizing: border-box;
}
.dc-num-input:focus { border-color: #2563eb; }

/* Calculate button */
.dc-calc-btn {
  height: 44px;
  background: #2563eb;
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
}
.dc-calc-btn:hover { opacity: 0.88; }

/* Result */
.dc-result {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.dc-result-primary {
  font-size: 18px;
  font-weight: 600;
  color: #1e293b;
  text-align: center;
}
.dc-result-primary strong { color: #2563eb; }

.dc-result-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.res-card {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 14px 8px;
  text-align: center;
}
.res-val {
  font-size: 22px;
  font-weight: 700;
  color: #2563eb;
  line-height: 1.1;
}
.res-unit {
  font-size: 11px;
  font-weight: 600;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 4px;
}

.dc-result-extra {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.res-extra-item {
  font-size: 13px;
  color: #64748b;
  text-align: center;
}
.res-same, .res-err { font-size: 15px; color: #94a3b8; }
.res-err { color: #dc2626; }

/* Conversion result */
.dc-conv-result {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 14px 16px;
  margin-top: 4px;
}
.dc-conv-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 3px 0;
  font-size: 13px;
  color: #475569;
  border-bottom: 1px solid #f1f5f9;
}
.dc-conv-row:last-child { border-bottom: none; }
.dc-conv-row .cv-val { font-weight: 700; color: #1e293b; font-size: 14px; }

@media (max-width: 600px) {
  .dc-fields { grid-template-columns: 1fr; }
  .dc-result-grid { grid-template-columns: repeat(2, 1fr); }
  .dc-field-row { grid-template-columns: 1fr 1fr; }
  .dc-field-row > .dc-calc-btn { grid-column: span 2; }
  .dc-field-row-3 { grid-template-columns: 1fr 1fr; }
  .dc-field-row-3 > .dc-calc-btn { grid-column: span 2; }
}