:root {
  --primary: #7c3aed;
  --primary-dark: #5b21b6;
  --primary-light: #8b5cf6;
  --accent: #475569;
  --text: #1e293b;
  --text-light: #64748b;
  --border: #e2e8f0;
  --bg: #f8fafc;
  --bg-dark: #0f172a;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 20px rgba(124, 58, 237, 0.08);
  --shadow-lg: 0 10px 40px rgba(124, 58, 237, 0.15);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Header Top */
.header-top {
  background: var(--bg-dark);
  color: #fff;
  padding: 8px 0;
  font-size: 0.85rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-top-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-top-left {
  display: flex;
  gap: 20px;
}

.header-top-left span {
  display: flex;
  align-items: center;
  gap: 6px;
  opacity: 0.8;
  transition: var(--transition);
}

.header-top-left span:hover {
  opacity: 1;
}

.header-top-right {
  display: flex;
  align-items: center;
  gap: 15px;
}

.vertical-divider {
  width: 1px;
  height: 16px;
  background: rgba(255, 255, 255, 0.3);
}

/* Social Links */
.social-links {
  display: flex;
  gap: 12px;
}

.social-links a {
  color: #fff;
  opacity: 0.7;
  transition: var(--transition);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
}

.social-links a:hover {
  opacity: 1;
  background: rgba(255, 255, 255, 0.1);
}

/* Header Main */
.header-main {
  background: #fff;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 999;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--text);
  text-decoration: none;
  transition: var(--transition);
}

.logo:hover {
  transform: scale(1.02);
}

.logo-img {
  width: 45px;
  height: 45px;
  object-fit: contain;
}

.logo-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Main Navigation */
.main-nav ul {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  text-decoration: none;
  color: var(--text);
  padding: 10px 16px;
  border-radius: 8px;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 500;
}

.nav-link:hover {
  color: var(--primary);
  background: var(--bg);
}

/* User Dropdown */
.user-dropdown {
  position: relative;
}

.user-avatar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 50px;
  transition: var(--transition);
  text-decoration: none;
  color: var(--text);
  border: 2px solid transparent;
}

.user-avatar:hover {
  background: var(--bg);
  border-color: var(--border);
}

.user-avatar img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
}

.avatar-placeholder {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.user-name {
  font-weight: 600;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

.badge-instructor {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: white;
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
}

.user-dropdown .dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  min-width: 220px;
  padding: 8px 0;
  display: none;
  z-index: 1000;
}

.user-dropdown:hover .dropdown {
  display: block;
}

.dropdown a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  color: var(--text);
  text-decoration: none;
  transition: var(--transition);
  font-size: 0.9rem;
}

.dropdown a:hover {
  background: var(--bg);
  color: var(--primary);
}

.dropdown-divider {
  height: 1px;
  background: var(--border);
  margin: 8px 0;
}

/* استایل برای فرم‌های خروج */
.logout-form, .mobile-logout-form {
  margin: 0;
  padding: 0;
  display: block;
}

/* استایل برای دکمه خروج در دسکتاپ */
.logout-form-btn {
  border: none;
  background: none;
  width: 100%;
  text-align: right;
  padding: 10px 16px;
  color: #ef4444;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  border-radius: 6px;
}

.logout-form-btn:hover {
  background: #ef4444;
  color: white;
}

/* استایل برای دکمه خروج در موبایل */
.mobile-logout-btn {
  border: none;
  background: none;
  width: 100%;
  text-align: right;
  padding: 12px 16px;
  color: #ef4444;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
}

.mobile-logout-btn:hover {
  background: #ef4444;
  color: white;
}

/* Auth Buttons */
.auth-buttons {
  display: flex;
  gap: 8px;
}

.btn-login {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  padding: 8px 20px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn-login:hover {
  background: var(--primary);
  color: #fff;
}

.btn-signup {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  padding: 10px 22px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3);
}

.btn-signup:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(124, 58, 237, 0.4);
}

.btn-instructor {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #fff;
  padding: 10px 20px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn-instructor:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(245, 158, 11, 0.4);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 6px;
  transition: var(--transition);
}

.hamburger:hover {
  background: var(--bg);
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 320px;
  height: 100vh;
  background: #fff;
  box-shadow: -5px 0 30px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
  z-index: 1001;
  display: flex;
  flex-direction: column;
}

.mobile-menu.show {
  right: 0;
}

.mobile-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  border-bottom: 1px solid var(--border);
}

.mobile-user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mobile-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.mobile-avatar-placeholder {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.mobile-user-name {
  font-weight: 600;
  color: var(--text);
}

.mobile-auth {
  display: flex;
  gap: 10px;
}

.mobile-close {
  background: none;
  border: none;
  font-size: 1.2rem;
  color: var(--text-light);
  cursor: pointer;
  padding: 8px;
  border-radius: 6px;
  transition: var(--transition);
}

.mobile-close:hover {
  background: var(--bg);
  color: var(--text);
}

.mobile-nav {
  flex: 1;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
}

.mobile-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  color: var(--text);
  text-decoration: none;
  border-radius: 8px;
  transition: var(--transition);
  font-weight: 500;
}

.mobile-nav a:hover {
  background: var(--bg);
  color: var(--primary);
}

.mobile-user-links {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.mobile-footer {
  padding: 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: center;
  align-items: center;
}

.mobile-social {
  display: flex;
  gap: 12px;
}

.mobile-social a {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  text-decoration: none;
  transition: var(--transition);
}

.mobile-social a:hover {
  background: var(--primary);
  color: #fff;
}

/* Overlay */
.mobile-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  display: none;
}

.mobile-overlay.show {
  display: block;
}

/* استایل برای SweetAlert */
.swal-confirm-btn {
  border-radius: 8px !important;
  padding: 10px 24px !important;
  font-weight: 600 !important;
}

.swal-cancel-btn {
  border-radius: 8px !important;
  padding: 10px 24px !important;
  font-weight: 600 !important;
}

.swal2-popup {
  border-radius: 16px !important;
  font-family: system-ui, -apple-system, sans-serif !important;
  direction: rtl !important;
}

.swal2-title {
  font-size: 1.5rem !important;
  font-weight: 700 !important;
}

.swal2-html-container {
  font-size: 1rem !important;
}

/* Responsive */
@media (max-width: 1024px) {
  .search-container {
    margin: 0 20px;
    max-width: 400px;
  }
}

@media (max-width: 768px) {
  .header-top {
    display: none;
  }
  
  .main-nav {
    display: none;
  }
  
  .hamburger {
    display: flex;
  }
  
  .header-inner {
    padding: 8px 0;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }
  
  .logo-text {
    font-size: 1.1rem;
  }
  
  .mobile-menu {
    width: 100%;
  }
}