:root {
  --bg: #10202b;
  --bg-glow-1: rgba(45, 176, 158, 0.16);
  --bg-glow-2: rgba(196, 155, 60, 0.12);
  --paper: #fffdf7;
  --ink: #16303c;
  --ink-soft: #5b7480;
  --line: #e6dfcb;

  --accent: #2da089;
  --accent-bg: #eaf7f4;
  --start-color: #3b62a8;
  --start-bg: #eaf0fb;
  --end-color: #a3552b;
  --end-bg: #fbf1e8;

  --gold: #c49b3c;
  --error: #b0452c;
  --warn: #9c7a1e;
  --radius-lg: 20px;
  --radius-md: 12px;
  --shadow: 0 24px 60px -24px rgba(10, 24, 32, 0.55);

  --font: "Vazirmatn", "Tahoma", "Segoe UI", sans-serif;
}



/* ---------- کارت اصلی ---------- */



.dd-section-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-soft);
  margin-bottom: 12px;
}

/* نوع تقویم */
.dd-cal-type {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 28px;
}

.dd-cal-type input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.dd-cal-type label {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 8px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--line);
  background: #fbf9f2;
  font-weight: 700;
  font-size: 14.5px;
  cursor: pointer;
  transition: all 0.15s ease;
  color: var(--ink-soft);
}

.dd-cal-type input:checked + label {
  border-color: var(--accent);
  background: var(--accent-bg);
  color: var(--accent);
}

.dd-cal-type input:focus-visible + label {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---------- بلوک‌های تاریخِ شروع/پایان ---------- */

.dd-date-blocks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 24px;
}

.dd-date-block {
  border-radius: var(--radius-md);
  padding: 16px 14px;
  border: 1.5px solid var(--line);
}

.dd-date-block.start {
  background: var(--start-bg);
  border-color: rgba(59, 98, 168, 0.3);
}

.dd-date-block.end {
  background: var(--end-bg);
  border-color: rgba(163, 85, 43, 0.3);
}

.dd-date-block-title {
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 12px;
}

.dd-date-block.start .dd-date-block-title { color: var(--start-color); }
.dd-date-block.end .dd-date-block-title { color: var(--end-color); }

.dd-date-inputs {
  display: grid;
  grid-template-columns: 1fr 1.4fr 1fr;
  gap: 8px;
}

.dd-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.dd-field label {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--ink-soft);
}

.dd-field select,
.dd-field input[type="number"] {
  font-family: inherit;
  font-size: 14px;
  padding: 10px 8px;
  border-radius: 9px;
  border: 1.5px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  text-align: center;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  width: 100%;
}

.dd-field select {
  appearance: none;
  cursor: pointer;
}

.dd-field select:focus-visible,
.dd-field input:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(45, 176, 158, 0.2);
}

.dd-field input[type="number"]::-webkit-inner-spin-button,
.dd-field input[type="number"]::-webkit-outer-spin-button {
  opacity: 0.6;
}

/* ---------- دکمه‌ها ---------- */

.dd-actions {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 10px;
  margin-bottom: 8px;
}

.dd-actions-secondary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 10px;
}

.dd-btn {
  font-family: inherit;
  font-size: 14.5px;
  font-weight: 700;
  border: none;
  border-radius: 12px;
  padding: 13px 14px;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, opacity 0.12s ease;
}

.dd-btn:active {
  transform: translateY(1px);
}

.dd-btn-primary {
  color: var(--paper);
  background: linear-gradient(135deg, var(--accent) 0%, #1d5f52 100%);
  box-shadow: 0 12px 26px -12px rgba(29, 95, 82, 0.6);
}

.dd-btn-primary:hover {
  box-shadow: 0 16px 30px -12px rgba(29, 95, 82, 0.65);
}

.dd-btn-secondary {
  color: var(--ink);
  background: #fbf9f2;
  border: 1.5px solid var(--line);
}

.dd-btn-secondary:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.dd-btn-ghost {
  color: var(--ink-soft);
  background: transparent;
  border: 1.5px dashed var(--line);
}

.dd-btn-ghost:hover {
  border-color: var(--error);
  color: var(--error);
}

/* ---------- پیام خطا / اطلاع‌رسانی ---------- */

.dd-error {
  margin-top: 16px;
  background: rgba(176, 69, 44, 0.08);
  border: 1px solid rgba(176, 69, 44, 0.3);
  color: var(--error);
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 13.5px;
  text-align: center;
}

.dd-notice {
  margin-top: 16px;
  background: rgba(196, 155, 60, 0.1);
  border: 1px solid rgba(196, 155, 60, 0.35);
  color: var(--warn);
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 12.5px;
  text-align: center;
}

/* ---------- نتایج ---------- */

.dd-results {
  margin-top: 26px;
  animation: dd-fade-up 0.35s ease;
}

@keyframes dd-fade-up {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.dd-result-dates {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.dd-result-dates strong {
  display: block;
  color: var(--ink);
  font-size: 14px;
  margin-top: 2px;
}

.dd-result-arrow {
  color: var(--gold);
  font-size: 18px;
}

.dd-breakdown {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
}

.dd-chip {
  flex: 1;
  background: var(--accent-bg);
  border: 1.5px solid rgba(45, 176, 158, 0.35);
  border-radius: 14px;
  padding: 16px 8px;
  text-align: center;
}

.dd-chip-num {
  display: block;
  font-size: 26px;
  font-weight: 800;
  color: var(--ink);
  line-height: 1.2;
}

.dd-chip-label {
  display: block;
  font-size: 12px;
  color: var(--ink-soft);
  margin-top: 4px;
  font-weight: 600;
}

.dd-totals {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.dd-total-item {
  background: #fbf9f2;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-md);
  padding: 12px 8px;
  text-align: center;
}

.dd-total-num {
  display: block;
  font-size: 18px;
  font-weight: 800;
  color: var(--ink);
}

.dd-total-label {
  display: block;
  font-size: 11px;
  color: var(--ink-soft);
  margin-top: 4px;
  font-weight: 600;
}

.dd-copy-wrap {
  position: relative;
  margin-top: 20px;
}

.dd-copy-feedback {
  position: absolute;
  top: -30px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-bg);
  padding: 4px 12px;
  border-radius: 999px;
}


/* ---------- واکنش‌گرایی ---------- */

@media (max-width: 640px) {
  .dd-card {
    padding: 24px 18px;
  }

  .dd-date-blocks {
    grid-template-columns: 1fr;
  }

  .dd-date-inputs {
    grid-template-columns: 1fr;
  }

  .dd-actions,
  .dd-actions-secondary {
    grid-template-columns: 1fr;
  }

  .dd-breakdown {
    flex-wrap: wrap;
  }

  .dd-chip {
    min-width: 30%;
  }

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

  .dd-title {
    font-size: 23px;
  }

  .dd-result-dates {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  .dd-result-arrow {
    transform: rotate(90deg);
  }
}