/*
 * v145-header-nav.css  —  v2 FULL REWRITE
 * 5Tawzeef Main Site Header & Navigation
 * Professional, clean, RTL-first, dark-mode ready
 */

/* ═══════════════════════════════════════════════
   TOKENS
═══════════════════════════════════════════════ */
:root {
  --h-bg:         #ffffff;
  --h-border:     #e8edf4;
  --h-text:       #1a2332;
  --h-muted:      #64748b;
  --h-brand:      #2563eb;
  --h-brand-dk:   #1d4ed8;
  --h-radius:     8px;
  --h-radius-sm:  6px;
  --h-height:     64px;
}

/* ═══════════════════════════════════════════════
   HEADER SHELL
═══════════════════════════════════════════════ */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 300;
  height: var(--h-height);
  background: rgba(255,255,255,.97);
  border-bottom: 1px solid var(--h-border);
  box-shadow: 0 1px 3px rgba(0,0,0,.06), 0 4px 16px rgba(0,0,0,.04);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 0;
  padding: 0 20px;
}

/* ═══════════════════════════════════════════════
   BRAND
═══════════════════════════════════════════════ */
.premium-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
  margin-inline-end: 24px;
  transition: opacity .15s;
}
.premium-brand:hover { opacity: .85; }

.premium-brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--h-brand);
  color: #fff;
  font-size: 16px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(37,99,235,.3);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.brand-text {
  font-size: 15px;
  font-weight: 800;
  color: var(--h-text);
  letter-spacing: -.3px;
}
.brand-sub {
  font-size: 10px;
  color: var(--h-muted);
  font-weight: 400;
}

/* ═══════════════════════════════════════════════
   MAIN NAV
═══════════════════════════════════════════════ */
.premium-main-nav {
  display: flex;
  align-items: center;
  flex: 1;
  gap: 0;
  justify-content: space-between;
  min-width: 0;
}

/* ── Primary links ── */
.nav-links-primary {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 11px;
  border-radius: var(--h-radius-sm);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--h-text);
  text-decoration: none;
  cursor: pointer;
  transition: background .12s, color .12s;
  white-space: nowrap;
  user-select: none;
  position: relative;
  border: none;
  background: none;
}
.nav-pill:hover { background: #f1f5fd; color: var(--h-brand); }
.nav-pill.active,
.nav-pill[aria-current="page"] { color: var(--h-brand); font-weight: 600; }
.nav-pill.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  inset-inline-start: 50%;
  transform: translateX(-50%);
  width: 18px;
  height: 2px;
  background: var(--h-brand);
  border-radius: 99px;
}

/* ── Dropdown wrapper ── */
.nav-dropdown-wrap {
  position: relative;
}
.nav-pill-dropdown::after {
  content: '';
  display: inline-block;
  width: 0; height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid currentColor;
  margin-inline-start: 3px;
  opacity: .45;
  transition: transform .18s;
  vertical-align: middle;
}
.nav-dropdown-wrap:hover .nav-pill-dropdown::after,
.nav-dropdown-wrap.is-open .nav-pill-dropdown::after {
  transform: rotate(180deg);
  opacity: 1;
}

.nav-sub-menu {
  position: absolute;
  top: calc(100% + 6px);
  inset-inline-start: 0;
  min-width: 210px;
  background: #fff;
  border: 1px solid var(--h-border);
  border-radius: var(--h-radius);
  box-shadow: 0 8px 32px rgba(0,0,0,.12);
  padding: 5px;
  z-index: 400;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity .16s ease, transform .16s ease;
}
.nav-dropdown-wrap:hover .nav-sub-menu,
.nav-dropdown-wrap.is-open .nav-sub-menu,
.nav-dropdown-wrap:focus-within .nav-sub-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.nav-sub-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--h-radius-sm);
  font-size: 13px;
  font-weight: 500;
  color: var(--h-text);
  text-decoration: none;
  transition: background .1s, color .1s;
}
.nav-sub-menu a:hover { background: #f1f5fd; color: var(--h-brand); }

/* ── Actions ── */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Search chip */
.header-search-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--h-border);
  border-radius: 99px;
  font-size: 13px;
  font-weight: 500;
  color: var(--h-muted);
  text-decoration: none;
  background: #f8fafc;
  transition: all .15s;
}
.header-search-chip:hover { border-color: var(--h-brand); color: var(--h-brand); background: #f1f5fd; }
.chip-icon { font-size: 15px; line-height: 1; }

/* Lang */
.premium-lang-switch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 10px;
  border: 1px solid var(--h-border);
  border-radius: var(--h-radius-sm);
  font-size: 12px;
  font-weight: 700;
  color: var(--h-muted);
  text-decoration: none;
  background: #fff;
  transition: all .15s;
  white-space: nowrap;
  letter-spacing: .04em;
}
.premium-lang-switch:hover { border-color: var(--h-brand); color: var(--h-brand); background: #f1f5fd; }

/* CTA */
.premium-post-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  background: var(--h-brand);
  color: #fff !important;
  border-radius: var(--h-radius);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  transition: background .12s, transform .1s;
  box-shadow: 0 2px 8px rgba(37,99,235,.22);
  border: none;
  cursor: pointer;
}
.premium-post-btn:hover { background: var(--h-brand-dk); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(37,99,235,.3); }
.premium-post-btn:active { transform: translateY(0); }

/* ── User menu ── */
.premium-user-menu { position: relative; }

.premium-user-trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px 4px 4px;
  border: 1px solid var(--h-border);
  border-radius: 99px;
  background: #fff;
  cursor: pointer;
  transition: all .15s;
  color: var(--h-text);
  font: inherit;
  font-size: 13px;
}
.premium-user-trigger:hover { border-color: var(--h-brand); background: #f1f5fd; }

.premium-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--h-brand);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  text-transform: uppercase;
}

.premium-user-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  max-width: 100px;
  text-align: start;
}
.header-user-name { font-size: 13px; font-weight: 600; color: var(--h-text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.premium-user-copy small { font-size: 10px; color: var(--h-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.dropdown-caret {
  font-size: 10px;
  color: var(--h-muted);
  display: flex;
  align-items: center;
  transition: transform .2s;
}
.premium-user-menu.is-open .dropdown-caret { transform: rotate(180deg); }

.premium-user-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  inset-inline-end: 0;
  min-width: 210px;
  background: #fff;
  border: 1px solid var(--h-border);
  border-radius: var(--h-radius);
  box-shadow: 0 8px 32px rgba(0,0,0,.12);
  padding: 5px;
  z-index: 400;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity .16s ease, transform .16s ease;
}
.premium-user-menu.is-open .premium-user-dropdown {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.premium-user-dropdown a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--h-radius-sm);
  font-size: 13px;
  font-weight: 500;
  color: var(--h-text);
  text-decoration: none;
  transition: background .1s, color .1s;
}
.premium-user-dropdown a:hover { background: #f1f5fd; color: var(--h-brand); }

.premium-user-dropdown form {
  padding: 4px 5px 2px;
  border-top: 1px solid var(--h-border);
  margin-top: 4px;
}
.premium-user-dropdown form button {
  width: 100%;
  padding: 8px 12px;
  border: none;
  background: none;
  border-radius: var(--h-radius-sm);
  font-size: 13px;
  color: #dc2626;
  text-align: start;
  cursor: pointer;
  font-weight: 600;
  font: inherit;
  transition: background .1s;
}
.premium-user-dropdown form button:hover { background: #fee2e2; }

/* Auth links */
.auth-actions { display: flex; align-items: center; gap: 6px; }
.login-link {
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--h-text);
  text-decoration: none;
  border-radius: var(--h-radius-sm);
  transition: all .15s;
}
.login-link:hover { color: var(--h-brand); background: #f1f5fd; }
.register-link {
  padding: 7px 14px;
  background: var(--h-brand);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--h-radius);
  transition: background .12s;
}
.register-link:hover { background: var(--h-brand-dk); }

/* ═══════════════════════════════════════════════
   MOBILE TOGGLE
═══════════════════════════════════════════════ */
.premium-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  border: 1px solid var(--h-border);
  border-radius: var(--h-radius-sm);
  background: none;
  cursor: pointer;
  padding: 7px;
  transition: border-color .15s;
  margin-inline-start: auto;
}
.premium-menu-toggle:hover { border-color: var(--h-brand); }
.premium-menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--h-text);
  border-radius: 99px;
  transition: all .2s;
}
.premium-menu-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.premium-menu-toggle.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.premium-menu-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ═══════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════ */
@media (max-width: 900px) {
  .premium-menu-toggle { display: flex; }
  .brand-copy { display: none; }
  .premium-brand { margin-inline-end: auto; }

  .premium-main-nav {
    display: none;
    position: fixed;
    top: var(--h-height);
    inset-inline-start: 0;
    width: 100%;
    background: #fff;
    border-bottom: 1px solid var(--h-border);
    box-shadow: 0 8px 24px rgba(0,0,0,.1);
    flex-direction: column;
    align-items: stretch;
    padding: 12px 16px 16px;
    gap: 8px;
    z-index: 299;
  }
  .premium-main-nav.is-open { display: flex; }

  .nav-links-primary { flex-direction: column; align-items: stretch; gap: 0; }
  .nav-pill { padding: 10px 12px; }
  .nav-dropdown-wrap { display: block; }
  .nav-sub-menu {
    position: static;
    opacity: 1;
    pointer-events: none;
    transform: none;
    box-shadow: none;
    border: none;
    background: transparent;
    padding: 0 0 0 16px;
    max-height: 0;
    overflow: hidden;
    transition: max-height .2s ease;
  }
  .nav-dropdown-wrap.is-open .nav-sub-menu {
    pointer-events: auto;
    max-height: 300px;
  }
  .nav-actions {
    flex-wrap: wrap;
    gap: 8px;
    padding-top: 10px;
    border-top: 1px solid var(--h-border);
    width: 100%;
  }
  .header-search-chip, .premium-post-btn { flex: 1; justify-content: center; }
}

@media (max-width: 600px) {
  .header-inner { padding: 0 14px; }
  .premium-user-copy { display: none; }
  .premium-user-trigger { padding: 4px; border-radius: 50%; }
  .header-search-chip span:not(.chip-icon) { display: none; }
  .premium-lang-switch { padding: 5px 8px; font-size: 11px; }
}

/* ═══════════════════════════════════════════════
   RTL FIXES
═══════════════════════════════════════════════ */
[dir="rtl"] .nav-sub-menu {
  inset-inline-start: auto;
  inset-inline-end: 0;
}
[dir="rtl"] .nav-pill.active::after {
  left: auto;
  right: 50%;
  transform: translateX(50%);
}

/* ═══════════════════════════════════════════════
   PANEL NAV — Secondary navigation (dashboard)
   Overrides any conflicting v144 inline CSS
═══════════════════════════════════════════════ */
nav.panel-nav.panel-nav-v8,
nav.panel-nav.workspace-nav-unified {
  writing-mode: horizontal-tb !important;
}
nav.panel-nav.panel-nav-v8 .panel-nav-link,
nav.panel-nav.panel-nav-v8 .panel-nav-icon,
nav.panel-nav.panel-nav-v8 .panel-nav-label {
  writing-mode: horizontal-tb !important;
  text-orientation: mixed !important;
}
/* Ensure SVG icons render correctly */
nav.panel-nav.panel-nav-v8 .panel-nav-icon svg {
  display: block;
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.75;
}