/* --- Professional Redesign with Collapsible Sidebar (Updated & Optimized) --- */

/* 1. Core Styles & Variables */
:root {
  --primary-color: #4A00E0;
  --accent-color: #8E2DE2;
  --dark-text: #212529;
  --light-text: #ffffff;
  --body-bg: #f8f9fa;
  --card-bg: #ffffff;
  --border-color: #dee2e6;
  --sidebar-bg: #111827;
  --shadow: 0 4px 15px rgba(0, 0, 0, 0.07);
}

body {
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.7;
  margin: 0;
  padding: 0;
  background-color: var(--body-bg);
  color: var(--dark-text);
  overflow-x: hidden;
}

.page-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

h1, h2, h3, h4 {
  color: var(--dark-text);
  margin-bottom: 1rem;
  font-weight: 600;
}

/* 2. Header & Main Navigation */
.main-header {
  background: var(--card-bg);
  padding: 15px 30px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 20px;
}

.sidebar-toggle-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--dark-text);
}

.sidebar-toggle-btn svg {
  transition: transform 0.3s ease;
}

.sidebar-toggle-btn:hover svg {
  transform: scale(1.1);
}

.logo-container {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 45px;
  margin-right: 12px;
}

.logo-text h1 {
  margin: 0;
  font-size: 1.7rem;
  font-weight: 700;
  line-height: 1;
}

.logo-text p {
  margin: 0;
  font-size: 0.85rem;
  color: #777;
}

.main-nav {
  display: flex;
  gap: 10px;
}

.nav-button {
  padding: 10px 20px;
  text-decoration: none;
  color: var(--primary-color);
  background-color: transparent;
  border-radius: 8px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.nav-button:hover {
  background-color: var(--primary-color);
  color: var(--light-text);
}

.nav-button.admin {
  background-color: var(--accent-color);
  color: var(--light-text);
}

.nav-button.admin:hover {
  background-color: var(--primary-color);
}

/* 3. Main Content Layout & Collapsible Sidebar */
.content-wrapper {
  display: flex;
  flex: 1;
  max-width: 1800px;
  width: 100%;
  margin: 0 auto;
}

.left-sidebar {
  width: 240px;
  background-color: var(--sidebar-bg);
  padding: 1rem 0;
  transition: transform 0.3s ease-in-out;
  flex-shrink: 0;
  position: relative;
  transform: translateX(0);
  z-index: 1100;
}

.left-sidebar.collapsed {
  transform: translateX(-100%);
}

.sidebar-header {
  display: flex;
  justify-content: flex-end;
  padding: 0 15px;
  margin-bottom: 1rem;
}

.sidebar-close-btn {
  background: transparent;
  border: none;
  color: #9ca3af;
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
}

.sidebar-close-btn:hover {
  color: var(--light-text);
}

.side-nav a {
  display: flex;
  align-items: center;
  padding: 12px 30px;
  text-decoration: none;
  color: #aeb2b9;
  font-weight: 500;
  border-left: 4px solid transparent;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.side-nav a:hover {
  background-color: #374151;
  color: var(--light-text);
  border-left-color: var(--accent-color);
}

.sidebar-divider {
  border: none;
  border-top: 1px solid #374151;
  margin: 1rem 20px;
}

.page-content {
  flex-grow: 1;
  padding: 2rem 3rem;
  transition: all 0.3s ease;
  width: 100%;
  box-sizing: border-box;
}

.overlay {
  display: none;
}

/* 4. Forms & Buttons */
form {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
}

form label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
}

form input[type="text"],
form input[type="email"],
form input[type="password"],
form input[type="number"],
form input[type="datetime-local"],
form select,
form textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

form button {
  background: linear-gradient(to right, var(--accent-color), var(--primary-color));
  color: var(--light-text);
  padding: 12px 25px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
}

/* 5. Admin Dashboard */
.dashboard-layout {
  display: flex;
  gap: 20px;
}

.dashboard-main {
  flex: 1;
  background: var(--card-bg);
  padding: 30px;
  border-radius: 12px;
  overflow-x: auto;
}

.dashboard-sidebar {
  width: 250px;
  background: #1f2937;
  color: var(--light-text);
  padding: 20px;
  border-radius: 12px;
}

.dashboard-sidebar h3 {
  color: var(--light-text);
}

.dashboard-sidebar a {
  color: #d1d5db;
}

.dashboard-sidebar a:hover {
  background-color: #374151;
  color: var(--light-text);
}

/* Responsive adjustments for Mobile */
@media (max-width: 992px) {
  .main-nav {
    display: none;
  }

  .page-content {
    padding: 1.5rem;
  }

  .left-sidebar {
    position: fixed;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1100;
    transform: translateX(-100%);
  }

  .left-sidebar:not(.collapsed) {
    transform: translateX(0);
  }

  .overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1050;
    display: block;
    opacity: 1;
    transition: opacity 0.3s ease-in-out;
  }

  .overlay.collapsed {
    opacity: 0;
    pointer-events: none;
  }
}

/* Social Media Links Section */
.social-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 1rem;
}

.social-links a {
  color: var(--dark-text);
  transition: transform 0.2s ease, color 0.2s ease;
}

.social-links a:hover {
  transform: scale(1.2);
  color: var(--primary-color);
}

.social-links svg {
  width: 32px;
  height: 32px;
}

.social-links .social-icon-svg {
  width: 32px;
  height: 32px;
  vertical-align: middle;
}

/* Dropdown Menu Styles */
.dropdown-toggle {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.dropdown-arrow {
  transition: transform 0.3s ease;
}

.dropdown-toggle.open .dropdown-arrow {
  transform: rotate(180deg);
}

.dropdown-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out;
  background-color: #1a2433;
  border-radius: 0 0 8px 8px;
  margin: 0 -30px;
  padding: 0 30px;
}

.dropdown-menu a {
  padding-left: 45px !important;
  font-size: 0.9em;
}

.dropdown-menu.open {
  max-height: 200px;
}

.dropdown-menu a:hover {
  background-color: #374151;
  color: var(--light-text);
}