/* ╔══════════════════════════════════════════════════╗
   ║              Term Page CSS (New)                 ║
   ║   استایل صفحه ترم — نسخه داینامیک با تگ‌ها       ║
   ╚══════════════════════════════════════════════════╝ */

/* ════════════════════════════════════════
   Hero ترم
   ════════════════════════════════════════ */

.term-hero {
  position: relative;
  padding: 52px 0 74px;
  overflow: hidden;
  color: white;
}

.term-hero-bg {
  position: absolute;
  inset: 0;
  opacity: 0.1;
  background-image:
    radial-gradient(circle at 30% 35%, white 0%, transparent 45%),
    radial-gradient(circle at 70% 60%, white 0%, transparent 45%);
}

.term-hero-content {
  position: relative;
  text-align: center;
  animation: fadeInUp 0.7s ease backwards;
}

.term-hero-badge {
  display: inline-block;
  padding: 5px 18px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 50px;
  font-size: 0.82em;
  font-weight: 600;
  margin-bottom: 18px;
  backdrop-filter: blur(8px);
}

.term-hero-title {
  font-size: clamp(1.7em, 4.5vw, 2.5em);
  font-weight: 900;
  margin-bottom: 10px;
}

.term-hero-subtitle {
  font-size: clamp(0.9em, 2.2vw, 1.05em);
  font-weight: 300;
  opacity: 0.8;
  max-width: 520px;
  margin: 0 auto 28px;
  line-height: 1.85;
}

.term-hero-info {
  display: inline-flex;
  align-items: center;
  gap: 20px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 14px;
  padding: 14px 28px;
  backdrop-filter: blur(10px);
  font-size: 0.88em;
  flex-wrap: wrap;
  justify-content: center;
}

.term-hero-info-item {
  display: flex;
  align-items: center;
  gap: 6px;
  opacity: 0.85;
}

.term-hero-info-divider {
  width: 1px;
  height: 22px;
  background: rgba(255, 255, 255, 0.2);
}

.term-hero-wave {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  line-height: 0;
}

.term-hero-wave svg {
  width: 100%;
  height: 50px;
}

/* ════════════════════════════════════════
   فیلتر تگ‌ها
   ════════════════════════════════════════ */

.tag-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
  animation: fadeInUp 0.5s ease backwards;
  animation-delay: 0.1s;
}

.tag-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 18px;
  border: 1.5px solid var(--border);
  border-radius: 50px;
  background: var(--bg-white);
  font-family: inherit;
  font-size: 0.82em;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.tag-btn:hover {
  border-color: var(--tag-color, var(--accent));
  color: var(--tag-color, var(--accent));
  background: var(--bg);
}

.tag-btn.active {
  background: var(--tag-color, var(--accent));
  border-color: var(--tag-color, var(--accent));
  color: white;
}

.tag-count {
  background: rgba(0, 0, 0, 0.08);
  padding: 1px 7px;
  border-radius: 50px;
  font-size: 0.88em;
  font-weight: 700;
}

.tag-btn.active .tag-count {
  background: rgba(255, 255, 255, 0.25);
}

/* ════════════════════════════════════════
   هدر و لیست جلسات
   ════════════════════════════════════════ */

.sessions-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.sessions-title {
  font-size: 1.2em;
  font-weight: 800;
  color: var(--text);
}

.sessions-count {
  padding: 5px 15px;
  background: var(--bg-white);
  border-radius: 50px;
  font-size: 0.82em;
  font-weight: 600;
  color: var(--text-muted);
  box-shadow: var(--shadow-sm);
}

.sessions-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* ════════════════════════════════════════
   کارت جلسه
   ════════════════════════════════════════ */

.session-item {
  background: var(--bg-white);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  display: flex;
  align-items: flex-start;
  gap: 18px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
  animation: fadeInUp 0.5s ease backwards;
}

.session-item:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateX(-4px);
}

.session-num {
  min-width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 0.92em;
  flex-shrink: 0;
  transition: var(--transition);
}

.session-item:hover .session-num {
  background: var(--accent);
  color: white;
}

.session-content {
  flex: 1;
  min-width: 0;
}

.session-title-fa {
  font-size: 1em;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
  line-height: 1.6;
}

.session-title-en {
  font-size: 0.8em;
  color: var(--text-muted);
  font-weight: 400;
  direction: ltr;
  display: inline-block;
  line-height: 1.5;
  margin-bottom: 8px;
}

/* تگ‌های جلسه */
.session-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 4px;
}

.session-tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 50px;
  font-size: 0.7em;
  font-weight: 600;
  background: color-mix(in srgb, var(--tag-color) 12%, white);
  color: var(--tag-color);
  border: 1px solid color-mix(in srgb, var(--tag-color) 25%, white);
}

/* ════════════════════════════════════════
   حالت خالی و بدون نتیجه
   ════════════════════════════════════════ */

.empty-state {
  animation: fadeInUp 0.6s ease backwards;
}

.empty-box {
  text-align: center;
  padding: 60px 28px;
  background: var(--bg-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}

.empty-icon {
  font-size: 3em;
  margin-bottom: 16px;
}

.empty-title {
  font-size: 1.15em;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}

.empty-desc {
  font-size: 0.9em;
  color: var(--text-secondary);
  max-width: 480px;
  margin: 0 auto;
  line-height: 1.85;
}

.no-results {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
  font-size: 0.95em;
}

/* ════════════════════════════════════════
   ناوبری بین ترم‌ها
   ════════════════════════════════════════ */

.term-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  gap: 16px;
  flex-wrap: wrap;
}

.term-nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.88em;
  font-weight: 600;
  color: var(--text-secondary);
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}

.term-nav-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: var(--shadow-md);
}

.term-nav-link svg {
  flex-shrink: 0;
}

.term-nav-link.disabled {
  opacity: 0.35;
  pointer-events: none;
  cursor: default;
}

/* ════════════════════════════════════════
   Responsive
   ════════════════════════════════════════ */

@media (max-width: 768px) {
  .term-hero {
    padding: 40px 0 58px;
  }

  .term-hero-info {
    gap: 12px;
    padding: 12px 20px;
    font-size: 0.82em;
  }

  .tag-filter {
    gap: 6px;
  }

  .tag-btn {
    padding: 6px 14px;
    font-size: 0.78em;
  }

  .session-item {
    padding: 16px 18px;
    gap: 14px;
  }

  .session-num {
    min-width: 36px;
    height: 36px;
    font-size: 0.82em;
    border-radius: 10px;
  }

  .session-title-fa {
    font-size: 0.92em;
  }

  .term-nav {
    flex-direction: column;
  }

  .term-nav-link {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 420px) {
  .term-hero-info {
    flex-direction: column;
    gap: 8px;
  }

  .term-hero-info-divider {
    width: 40px;
    height: 1px;
  }

  .session-tags {
    gap: 4px;
  }

  .session-tag {
    font-size: 0.65em;
    padding: 2px 8px;
  }
}

/* ════════════════════════════════════════
   Fallback برای مرورگرهای قدیمی
   (color-mix پشتیبانی نشود)
   ════════════════════════════════════════ */

@supports not (background: color-mix(in srgb, red 10%, white)) {
  .session-tag {
    background: var(--bg);
    border-color: var(--border);
  }
}

/* ════════════════════════════════════════
   نوار پیشرفت (Progress)
   ════════════════════════════════════════ */

.term-progress {
  margin-bottom: 32px;
  animation: fadeInUp 0.5s ease backwards;
}

.progress-bar-wrapper {
  position: relative;
}

.progress-track {
  height: 4px;
  background: var(--border);
  border-radius: 4px;
  margin-bottom: 8px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 4px;
  transition: width 0.8s ease;
}

.progress-steps {
  display: flex;
  justify-content: space-between;
  position: relative;
}

.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.progress-step:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 50%;
}

.progress-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--border);
  border: 2px solid var(--bg);
  transition: var(--transition);
  box-shadow: 0 0 0 2px var(--border);
}

.progress-step.done .progress-dot {
  background: var(--step-color);
  box-shadow: 0 0 0 2px var(--step-color);
  transform: scale(0.85);
}

.progress-step.current .progress-dot {
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent), 0 0 0 6px rgba(0,0,0,0.06);
  transform: scale(1.15);
}

.progress-step.future .progress-dot {
  background: var(--bg-white);
  box-shadow: 0 0 0 2px var(--border);
}

.progress-step:hover .progress-dot {
  transform: scale(1.2);
}

.progress-label {
  font-size: 0.65em;
  font-weight: 700;
  color: var(--text-muted);
  transition: var(--transition);
}

.progress-step.current .progress-label {
  color: var(--accent);
  font-weight: 900;
}

.progress-step:hover .progress-label {
  color: var(--text);
}

@media (max-width: 768px) {
  .progress-label {
    font-size: 0.55em;
  }

  .progress-dot {
    width: 12px;
    height: 12px;
  }
}

@media (max-width: 480px) {
  .progress-label {
    display: none;
  }

  .progress-dot {
    width: 10px;
    height: 10px;
  }
}