/* المتغيرات والألوان الهادئة */
:root {
  --bg-glass: rgba(255, 255, 255, 0.9);
  --bg-glass-dark: rgba(15, 23, 42, 0.9);

  --text-primary: #334155; /* Slate 700 */
  --text-primary-dark: #e2e8f0; /* Slate 200 */

  --accent-color: #64748b; /* Slate 500 */
  --accent-hover: #3b82f6; /* Blue 500 */

  /* New Variables for Button Backgrounds */
  --btn-bg: #f1f5f9; /* Light Slate for Light Mode */
  --btn-bg-dark: rgba(255, 255, 255, 0.05); /* Subtle White for Dark Mode */
  --btn-bg-hover: #e2e8f0;

  --border-color: rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --nav-height: 70px;

  /* Define Font globally for variables if needed */
  --main-font: "Cairo", system-ui, sans-serif;
}

/* الوضع الداكن */
html.dark {
  --bg-glass: var(--bg-glass-dark);
  --text-primary: var(--text-primary-dark);
  --border-color: rgba(255, 255, 255, 0.1);
  --btn-bg: var(--btn-bg-dark);
  --btn-bg-hover: rgba(255, 255, 255, 0.1);
}

/* تنسيق النافبار الأساسي */
.navbar-container {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  background-color: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: background-color 0.3s ease, border-color 0.3s ease;

  /* 1. Force Font Family on Container */
  font-family: var(--main-font);
}

/* 2. Force Font Family on all children (Buttons don't inherit by default) */
.navbar-container button,
.navbar-container a {
  font-family: var(--main-font) !important;
}

.navbar-content {
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
}

/* الروابط والأزرار */
.nav-links {
  display: flex;
  gap: 15px; /* Reduced gap slightly since buttons have backgrounds now */
  align-items: center;
}

.btn-nav {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.9rem; /* Slightly smaller to fit the background better */
  padding: 10px 18px; /* Increased padding for "button" feel */
  border-radius: 12px;
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;

  /* 3. Apply Soft Background to all links/buttons */
  background-color: var(--btn-bg);
}

.btn-nav:hover {
  color: var(--accent-hover);
  background-color: var(--btn-bg-hover); /* Darker shade on hover */
  transform: translateY(-1px);
}

.btn-nav:active {
  transform: translateY(0px);
}

/* زر مميز (CTA) - Overrides the default btn-nav style */
.btn-primary {
  background-color: var(--text-primary);
  color: #fff;
}

html.dark .btn-primary {
  background-color: #3b82f6;
}

.btn-primary:hover {
  background-color: var(--text-primary); /* Keep solid color */
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  color: #fff;
}

/* زر الثيم */
#themeToggle {
  font-size: 1.2rem;
  padding: 8px 12px;
  border-radius: 50%; /* Keep circle */
  background-color: transparent; /* Make specific exception for icon only if you want */
  /* Or remove background-color: transparent to give it a circle bg */
}

/* زر تسجيل الخروج */
#logout {
  background-color: #fee2e2 !important;
  color: #991b1b !important;
  border: 1px solid #fecaca;
}

#logout:hover {
  background-color: #fecaca !important;
  color: #7f1d1d !important;
}

html.dark #logout {
  background-color: #7f1d1d !important;
  color: #fecaca !important;
  border: 1px solid #991b1b;
}

html.dark #logout:hover {
  background-color: #991b1b !important;
  color: #fee2e2 !important;
}

/* زر القائمة للموبايل */
.mobile-toggle {
  display: none;
  font-size: 1.5rem;
  background: transparent; /* No background for hamburger icon */
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 5px;
}

/* ============ التجاوب (Responsive) ============ */
@media (max-width: 768px) {
  .mobile-toggle {
    display: block;
  }

  .nav-center {
    position: absolute;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    background-color: var(--bg-glass);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    flex-direction: column;
    padding: 20px;
    gap: 12px;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
  }

  .nav-center.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-center .btn-nav {
    width: 100%;
    justify-content: center;
    padding: 14px; /* Larger touch area for mobile */
  }

  .nav-actions-mobile {
    display: flex;
    gap: 10px;
    align-items: center;
  }
}