/* ==============================
   الهيدر
============================== */
.hdr {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--hdr-height);
  z-index: 1000;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 0 40px;
}

.hdr-container {
  height: 100%;
  padding: 0;
  margin: 0;
  border: none;
}

.hdr-row {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 22px;
  height: 100%;
}

/* اسم الموقع */
.hdr-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  flex: 0 0 auto;
}

.hdr-brand a {
  color: var(--color-primary);
  font-weight: 900;
  font-size: 1.2rem;
  line-height: 1;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

/* القائمة */
.hdr-nav {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 20px;
  flex: 0 0 auto;
  flex-wrap: nowrap;
}

.hdr-nav a {
  color: var(--color-primary);
  font-weight: 700;
  font-size: 15px;
  white-space: nowrap;
  line-height: 1;
}

.hdr-nav a:hover {
  color: var(--color-primary-dark);
}

/* زر القائمة */
.hdr-menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  background: var(--color-primary);
  border-radius: 10px;
  width: 42px;
  height: 42px;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  margin: 0;
  flex: 0 0 auto;
  position: relative;
  overflow: hidden;
}

.hdr-menu-icon,
.hdr-menu-icon::before,
.hdr-menu-icon::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 2.5px;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease, top 0.25s ease;
}

.hdr-menu-icon {
  top: 20px;
  left: 11px;
}

.hdr-menu-icon::before {
  top: -6px;
  left: 0;
}

.hdr-menu-icon::after {
  top: 6px;
  left: 0;
}

.hdr-menu-btn.is-active .hdr-menu-icon {
  background: transparent;
}

.hdr-menu-btn.is-active .hdr-menu-icon::before {
  top: 0;
  transform: rotate(45deg);
}

.hdr-menu-btn.is-active .hdr-menu-icon::after {
  top: 0;
  transform: rotate(-45deg);
}

/* ==============================
   Breadcrumb
============================== */
.breadcrumb {
  position: fixed;
  top: var(--hdr-height);
  width: 100%;
  height: var(--breadcrumb-height);
  margin: 0;
  padding: 0 40px;
  background: #f9f9f9;
  z-index: 999;
  border-bottom: 1px solid var(--color-border);
  box-shadow: none;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0;
  flex-wrap: nowrap;
  white-space: nowrap;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
}

.breadcrumb-container {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  white-space: nowrap;
}

.breadcrumb a,
.breadcrumb .sep,
.breadcrumb .current,
.breadcrumb span {
  white-space: nowrap;
  flex: 0 0 auto;
}

.breadcrumb a {
  color: var(--color-primary);
  font-weight: 600;
}

.breadcrumb a:hover {
  color: var(--color-primary-dark);
}

.breadcrumb .sep {
  margin: 0 6px;
  color: var(--color-text-light);
}

.breadcrumb .current {
  color: var(--color-text);
  font-weight: 700;
}

.hdr-nav-verse {
  display: none;
}

/* ==============================
   الموبايل
============================== */
@media (max-width: 900px) {

  .hdr {
    padding: 0 16px;
  }

  .hdr-row {
    justify-content: space-between;
    gap: 12px;
  }

  .hdr-brand {
    order: 1;
    flex: 0 0 auto;
  }

  .hdr-menu-btn {
    display: inline-flex;
    order: 2;
  }

  .hdr-nav {
    display: none;
    position: absolute;
    top: calc(var(--hdr-height) + 3px);
    right: 10px;
    left: 10px;
    padding: 14px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    box-shadow: 0 8px 18px var(--color-shadow-strong);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 6px;
    z-index: 1001;
  }

  .hdr-nav.is-open {
    display: flex;
  }

  .hdr-nav a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-direction: row-reverse;
    padding: 12px 12px;
    border-radius: 12px;
    color: var(--color-text-light);
    font-weight: 800;
    font-size: 16px;
    border: 1px solid transparent;
    background: transparent;
  }

  .hdr-nav a::before {
    content: "←";
    color: var(--color-primary-light);
    font-size: 18px;
    font-weight: 700;
    line-height: 1;
    flex: 0 0 auto;
  }

  .hdr-nav-verse {
    display: block;
    border-top: 1px solid var(--color-border);
    margin-top: 8px;
    padding-top: 14px;
    text-align: center;
    color: var(--color-primary);
    font-size: 16px;
    font-weight: 700;
  }

  .hdr-nav a:hover {
    background: var(--color-surface-alt);
    border-color: var(--color-border);
    color: var(--color-primary-dark);
  }

  .hdr-nav a + a {
    border-top: 1px solid var(--color-border);
  }

  .breadcrumb {
    padding: 0 16px;
    justify-content: flex-start;
  }

}

@media (min-width: 901px) {
  .hdr-nav {
    display: flex !important;
  }
}

@media (max-width: 768px) {
  .breadcrumb a,
  .breadcrumb .sep,
  .breadcrumb .current,
  .breadcrumb span {
    font-size: 14px;
  }
}