/* ============================================================
   4MUR — Navigation & Header Components
   ============================================================ */

/* ── Top Bar ──────────────────────────────────────────────── */
.mr-topbar {
  background: var(--mr-bg-dark); color: rgba(255,255,255,0.8);
  font-size: 0.75rem; padding: var(--mr-sp-1) 0;
}
.mr-topbar a { color: rgba(255,255,255,0.85); }
.mr-topbar a:hover { color: #fff; }

/* ── Main Navbar ──────────────────────────────────────────── */
.mr-navbar {
  background: var(--mr-surface); border-bottom: 1px solid var(--mr-border-light);
  height: var(--mr-header-h); position: sticky; top: 0; z-index: 1040;
  transition: box-shadow var(--mr-transition);
}
.mr-navbar.scrolled { box-shadow: var(--mr-shadow); }
.mr-navbar .container { display: flex; align-items: center; height: 100%; gap: var(--mr-sp-4); }

/* Brand */
.mr-brand { display: flex; align-items: center; gap: var(--mr-sp-2); text-decoration: none; flex-shrink: 0; }
.mr-brand img { height: 36px; width: auto; object-fit: contain; }
.mr-brand-text { font-size: 1.5rem; font-weight: 800; color: var(--mr-primary); letter-spacing: -0.03em; }

/* Desktop Nav */
.mr-nav { display: none; align-items: center; gap: var(--mr-sp-1); margin: 0 auto; padding: 0; list-style: none; }
.mr-nav-link {
  display: flex; align-items: center; gap: var(--mr-sp-2); padding: var(--mr-sp-2) var(--mr-sp-3);
  font-size: 0.875rem; font-weight: 500; color: var(--mr-text-muted);
  border-radius: var(--mr-radius); transition: all var(--mr-transition); white-space: nowrap;
}
.mr-nav-link:hover, .mr-nav-link.active { color: var(--mr-primary); background: rgba(37,99,235,0.06); }
.mr-nav-link i { font-size: 0.8rem; }

/* Desktop Search */
.mr-search {
  display: none; position: relative; flex: 0 1 320px;
}
.mr-search input {
  width: 100%; padding: 0.5rem 2.5rem 0.5rem 1rem;
  border: 1.5px solid var(--mr-border); border-radius: var(--mr-radius-full);
  font-size: 0.85rem; background: var(--mr-bg-alt);
  transition: all var(--mr-transition);
}
.mr-search input:focus { border-color: var(--mr-primary); background: #fff; outline: none; box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
.mr-search button {
  position: absolute; right: 2px; top: 50%; transform: translateY(-50%);
  background: var(--mr-primary); color: #fff; border: none;
  width: 32px; height: 32px; border-radius: var(--mr-radius-full);
  display: flex; align-items: center; justify-content: center; cursor: pointer;
  font-size: 0.75rem; transition: background var(--mr-transition);
}
.mr-search button:hover { background: var(--mr-primary-dark); }

/* Desktop Actions */
.mr-actions { display: none; align-items: center; gap: var(--mr-sp-2); flex-shrink: 0; }
.mr-action-btn {
  position: relative; width: 40px; height: 40px; border-radius: var(--mr-radius);
  border: 1.5px solid var(--mr-border); background: transparent; color: var(--mr-text);
  display: flex; align-items: center; justify-content: center; cursor: pointer;
  transition: all var(--mr-transition); font-size: 0.95rem; text-decoration: none;
}
.mr-action-btn:hover { border-color: var(--mr-primary); color: var(--mr-primary); background: rgba(37,99,235,0.04); }
.mr-action-badge {
  position: absolute; top: -6px; right: -6px; min-width: 18px; height: 18px;
  background: var(--mr-danger); color: #fff; font-size: 0.65rem; font-weight: 700;
  border-radius: var(--mr-radius-full); display: flex; align-items: center; justify-content: center;
  border: 2px solid #fff;
}
.mr-cart-btn {
  background: var(--mr-gradient); color: #fff; border-color: transparent;
  padding: 0 var(--mr-sp-4); width: auto; gap: var(--mr-sp-2); font-weight: 600; font-size: 0.8125rem;
}
.mr-cart-btn:hover {
  opacity: 0.92; color: #fff !important;
  background: var(--mr-gradient) !important; border-color: transparent !important;
  filter: brightness(1.08);
}

/* ── Mobile Header ────────────────────────────────────────── */
.mr-mobile-actions { display: flex; align-items: center; gap: var(--mr-sp-2); margin-left: auto; }
.mr-hamburger {
  width: 40px; height: 40px; border: none; background: transparent; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px;
  padding: 8px;
}
.mr-hamburger span {
  display: block; width: 22px; height: 2px; background: var(--mr-text);
  border-radius: 2px; transition: all var(--mr-transition);
}

/* ── Mobile Bottom Navigation ─────────────────────────────── */
.mr-mobile-nav {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 1050;
  background: var(--mr-surface); border-top: 1px solid var(--mr-border);
  display: flex; justify-content: space-around; align-items: center;
  height: var(--mr-mobile-nav-h); padding-bottom: env(safe-area-inset-bottom, 0);
  box-shadow: 0 -4px 12px rgba(0,0,0,0.06);
}
.mr-mobile-nav-item {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 2px; font-size: 0.65rem; font-weight: 500; color: var(--mr-text-muted);
  text-decoration: none; position: relative; padding: var(--mr-sp-1) var(--mr-sp-2);
  transition: color var(--mr-transition); flex: 1;
}
.mr-mobile-nav-item i { font-size: 1.15rem; }
.mr-mobile-nav-item.active { color: var(--mr-primary); }
.mr-mobile-nav-item .mr-action-badge { top: -2px; right: calc(50% - 16px); }

/* ── Offcanvas Mobile Menu ────────────────────────────────── */
.mr-offcanvas {
  position: fixed; top: 0; left: -100%; width: min(320px, 85vw); height: 100vh;
  background: var(--mr-surface); z-index: 1060; overflow-y: auto;
  transition: left 0.3s var(--mr-ease); box-shadow: var(--mr-shadow-lg);
}
.mr-offcanvas.open { left: 0; }
.mr-offcanvas-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 1055;
  opacity: 0; visibility: hidden; transition: all 0.3s ease;
}
.mr-offcanvas-backdrop.show { opacity: 1; visibility: visible; }
.mr-offcanvas-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--mr-sp-4); border-bottom: 1px solid var(--mr-border-light);
}
.mr-offcanvas-close {
  width: 36px; height: 36px; border: none; background: var(--mr-bg-alt);
  border-radius: var(--mr-radius); cursor: pointer; font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
}
.mr-offcanvas-body { padding: var(--mr-sp-4); }
.mr-offcanvas-nav { list-style: none; padding: 0; margin: 0; }
.mr-offcanvas-nav li a {
  display: flex; align-items: center; gap: var(--mr-sp-3); padding: var(--mr-sp-3) var(--mr-sp-2);
  font-weight: 500; color: var(--mr-text); border-radius: var(--mr-radius);
  transition: all var(--mr-transition);
}
.mr-offcanvas-nav li a:hover, .mr-offcanvas-nav li a.active { background: rgba(37,99,235,0.06); color: var(--mr-primary); }
.mr-offcanvas-nav li a i { width: 20px; text-align: center; font-size: 0.9rem; }

/* ── User Dropdown ────────────────────────────────────────── */
.mr-user-dropdown {
  position: absolute; top: calc(100% + 8px); right: 0; min-width: 220px;
  background: var(--mr-surface); border: 1px solid var(--mr-border-light);
  border-radius: var(--mr-radius-lg); box-shadow: var(--mr-shadow-lg);
  display: none; z-index: 1045; overflow: hidden;
}
.mr-user-dropdown.show { display: block; }
.mr-user-dropdown a {
  display: flex; align-items: center; gap: var(--mr-sp-2); padding: var(--mr-sp-3) var(--mr-sp-4);
  font-size: 0.875rem; color: var(--mr-text); transition: background var(--mr-transition);
}
.mr-user-dropdown a:hover { background: var(--mr-bg-alt); }
.mr-user-dropdown a i { width: 16px; text-align: center; color: var(--mr-text-muted); }
.mr-user-dropdown .divider { height: 1px; background: var(--mr-border-light); margin: var(--mr-sp-1) 0; }

/* ── Responsive ───────────────────────────────────────────── */
@media (min-width: 992px) {
  .mr-nav { display: flex; }
  .mr-search { display: block; }
  .mr-actions { display: flex; }
  .mr-mobile-actions { display: none; }
  .mr-mobile-nav { display: none; }
  .mr-hamburger { display: none; }
  body { padding-bottom: 0; }
}
@media (max-width: 991.98px) {
  body { padding-bottom: var(--mr-mobile-nav-h); }
  .mr-navbar { height: 56px; }
  .mr-brand img { height: 28px; }
  .mr-brand-text { font-size: 1.25rem; }
}