:root{
  --sh-clock-bg: linear-gradient(90deg,#fffef8,#ffffff);
  --sh-clock-border: #f0e6d0;
  --sh-clock-shadow: 0 6px 18px rgba(18,23,38,0.06);
  --sh-clock-color: #0f172a;
  --sh-clock-radius: 10px;
  --sh-clock-font-size: 13px;
  --sh-clock-hover-bg: linear-gradient(90deg,#fff8e1,#ffffff);
  --sh-clock-active-bg: linear-gradient(90deg,#ffecb3,#ffffff);
}

.shamsi-clock{
  background: var(--sh-clock-bg);
  border: 1px solid var(--sh-clock-border);
  padding: 8px 16px;
  border-radius: var(--sh-clock-radius);
  box-shadow: var(--sh-clock-shadow);
  font-weight: 600;
  color: var(--sh-clock-color);
  min-width: 240px;
  text-align: center;
  font-size: var(--sh-clock-font-size);
  line-height: 1.4;
  white-space: nowrap;
  direction: rtl;
  -webkit-user-select: none;
  -moz-user-select: none;
  user-select: none;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.shamsi-clock::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, #d4af37, #f7e7b6);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.shamsi-clock.clock-active::before {
  opacity: 1;
}

.shamsi-clock.clock-update {
  animation: clockPulse 0.5s ease-in-out;
}

.shamsi-clock:hover {
  background: var(--sh-clock-hover-bg);
  border-color: #d4af37;
  transform: translateY(-1px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.shamsi-clock:focus {
  outline: 2px solid #d4af37;
  outline-offset: 2px;
  background: var(--sh-clock-active-bg);
}

.shamsi-clock .clock-tooltip {
  position: absolute;
  bottom: 100%;
  right: 50%;
  transform: translateX(50%) translateY(-8px);
  background: #1f2937;
  color: white;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 11px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  pointer-events: none;
  z-index: 1000;
}

.shamsi-clock .clock-tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  right: 50%;
  transform: translateX(50%);
  border: 4px solid transparent;
  border-top-color: #1f2937;
}

.shamsi-clock:hover .clock-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateX(50%) translateY(-12px);
}

@keyframes clockPulse {
  0% { 
    opacity: 1;
    transform: scale(1);
  }
  50% { 
    opacity: 0.8;
    transform: scale(1.02);
  }
  100% { 
    opacity: 1;
    transform: scale(1);
  }
}

/* حالت‌های مختلف سایز */
.shamsi-clock.small {
  min-width: 180px;
  padding: 6px 12px;
  font-size: 12px;
}

.shamsi-clock.large {
  min-width: 280px;
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 700;
}

/* حالت compact برای فضاهای کوچک */
.shamsi-clock.compact {
  min-width: unset;
  padding: 6px 10px;
  font-size: 12px;
}

/* حالت بدون تاریخ */
.shamsi-clock.time-only {
  min-width: 120px;
}

/* حالت بدون زمان */
.shamsi-clock.date-only {
  min-width: 200px;
}

/* استایل برای حالت خطا */
.shamsi-clock.error {
  background: linear-gradient(90deg, #fef2f2, #ffffff);
  border-color: #dc2626;
  color: #dc2626;
  animation: shake 0.5s ease-in-out;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-2px); }
  75% { transform: translateX(2px); }
}

/* حالت شب */
@media (prefers-color-scheme: dark) {
  .shamsi-clock {
    --sh-clock-bg: linear-gradient(90deg, #374151, #4b5563);
    --sh-clock-border: #6b7280;
    --sh-clock-color: #f9fafb;
    --sh-clock-shadow: 0 6px 18px rgba(0,0,0,0.3);
    --sh-clock-hover-bg: linear-gradient(90deg, #4b5563, #6b7280);
    --sh-clock-active-bg: linear-gradient(90deg, #6b7280, #374151);
  }
}

/* پشتیبانی از کنتراست بالا */
@media (prefers-contrast: high) {
  .shamsi-clock {
    border: 2px solid #000;
    background: #fff;
    color: #000;
  }
  
  .shamsi-clock:hover {
    border: 2px solid #000;
    background: #f0f0f0;
  }
}

/* کاهش حرکت */
@media (prefers-reduced-motion: reduce) {
  .shamsi-clock {
    transition: none;
  }
  
  .shamsi-clock.clock-update {
    animation: none;
  }
  
  .shamsi-clock:hover {
    transform: none;
  }
}

/* پاسخگویی: در نماهای کوچک، پهنای کامل و راست‌چین */
@media (max-width: 900px){
  .shamsi-clock{
    min-width: unset;
    width: 100%;
    text-align: center;
    padding: 8px 12px;
  }
  
  .shamsi-clock.large {
    min-width: unset;
    width: 100%;
  }
  
  .shamsi-clock .clock-tooltip {
    display: none; /* مخفی کردن tooltip در موبایل */
  }
}

@media (max-width: 480px){
  .shamsi-clock{
    font-size: 12px;
    padding: 6px 10px;
  }
  
  .shamsi-clock.compact {
    padding: 4px 8px;
    font-size: 11px;
  }
}

/* استایل برای print */
@media print {
  .shamsi-clock {
    background: white !important;
    color: black !important;
    border: 1px solid #ccc !important;
    box-shadow: none !important;
  }
  
  .shamsi-clock::before {
    display: none;
  }
}