/* === FONT SETUP (based on Google Fonts like 'Poppins') === */
:root {
    --font-main: 'Poppins', 'Segoe UI', sans-serif;
    --text-color: #333;
    --primary-color: #1abc9c;
    --background: #f4f6f9;
    --card-bg: #ffffff;
    --card-shadow: 0 2px 6px rgba(0, 0, 0, 0.07);
  }
  
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-main);
    transition: background-color 0.3s ease, color 0.3s ease;
  }
  
  body {
    background-color: var(--background);
    color: var(--text-color);
    display: flex;
    min-height: 100vh;
    font-size: 15px;
    line-height: 1.6;
  }
    
  /* ========== SIDEBAR ========== */
  .sidebar {
    width: 240px;
    background-color: #2c3e50;
    color: #ecf0f1;
    padding: 25px 20px;
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    overflow-y: auto;
  }
  
  .sidebar-logo h2 {
    text-align: center;
    font-size: 26px;
    margin-bottom: 35px;
  }
  
  .sidebar-menu {
    list-style: none;
  }
  
  .sidebar-menu li {
    margin: 20px 0;
  }
  
  .sidebar-menu a {
    text-decoration: none;
    color: inherit;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 15px;
    border-radius: 8px;
    transition: 0.3s;
  }
  
  .sidebar-menu a:hover,
  .sidebar-menu a.active {
    background-color: #34495e;
    color: #1abc9c;
  }

  .sidebar-logo h2,
.chart-box h3,
.card-info h3,
.data-table h3 {
  font-weight: 600;
  letter-spacing: 0.5px;
}

.card-info p,
.data-table td {
  font-weight: 500;
}

  
  /* ========== MAIN CONTENT ========== */
  .main-content {
    margin-left: 240px;
    padding: 25px;
    width: calc(100% - 240px);
    display: flex;
    flex-direction: column;
    gap: 25px;
  }
  
  /* ========== NAVBAR ========== */
  .top-navbar {
    background: #ffffff;
    padding: 12px 20px;
    border-radius: 10px;
    box-shadow: 0 3px 8px rgba(0,0,0,0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .search-box {
    display: flex;
    align-items: center;
    background-color: #f1f3f5;
    padding: 6px 12px;
    border-radius: 25px;
  }
  
  .search-box input {
    border: none;
    background: transparent;
    outline: none;
    margin-left: 8px;
  }
  
  .nav-icons {
    display: flex;
    align-items: center;
    gap: 25px;
  }
  
  .profile-dropdown {
    position: relative;
  }
  
  .profile-img {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    cursor: pointer;
    object-fit: cover;
  }
  
  .dropdown-menu {
    position: absolute;
    top: 45px;
    right: 0;
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    border-radius: 8px;
    overflow: hidden;
    display: none;
    z-index: 100;
  }
  
  .profile-dropdown:hover .dropdown-menu {
    display: block;
  }
  
  .dropdown-menu a {
    display: block;
    padding: 12px 20px;
    text-decoration: none;
    color: #333;
    transition: background 0.2s;
  }
  
  .dropdown-menu a:hover {
    background-color: #f1f1f1;
  }


/* 🌙 Theme Toggle Button */
#themeToggle {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.6rem;
    margin: 0 1rem;
    font-size: 1.3rem;
    color: var(--text-color);
    border-radius: 50%;
    transition: background 0.3s ease, color 0.3s ease, transform 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  #themeToggle:hover {
    background: rgba(0, 0, 0, 0.05);
    color: var(--primary-color);
    transform: rotate(15deg);
  }
  
  #themeToggle:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
  }
  
  #themeToggle i {
    pointer-events: none;
  }
  
  
  
  /* ========== DASHBOARD CARDS ========== */
  .dashboard-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
  }
  
  .card {
    background: #ffffff;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.07);
    display: flex;
    align-items: center;
    gap: 15px;
    transition: transform 0.2s;
  }
  
  .card:hover {
    transform: translateY(-4px);
  }
  
  .card-icon {
    font-size: 26px;
    color: #3498db;
    background: #ecf6fe;
    padding: 10px;
    border-radius: 50%;
  }
  
  .card-info h3 {
    font-size: 15px;
    color: #888;
    margin-bottom: 5px;
  }
  
  .card-info p {
    font-size: 20px;
    font-weight: 600;
  }
  
  /* ========== CHARTS ========== */
  .charts {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  
  .chart-box {
    background: #ffffff;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.07);
  }
  
  .chart-box h3 {
    margin-bottom: 15px;
    font-size: 17px;
    font-weight: 600;
  }
  
  /* ========== TABLE ========== */
  .data-table {
    background: #ffffff;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.07);
    overflow-x: auto;
  }
  
  .data-table h3 {
    margin-bottom: 15px;
  }
  
  .data-table table {
    width: 100%;
    border-collapse: collapse;
  }
  
  .data-table th, .data-table td {
    padding: 14px 16px;
    text-align: left;
    font-size: 14px;
  }
  
  .data-table th {
    background-color: #f7f7f7;
    color: #333;
  }
  
  .data-table tr:nth-child(even) {
    background-color: #fcfcfc;
  }
  
  .data-table tr:hover {
    background-color: #f1f1f1;
  }

/* ======= DARK MODE VARIABLES ======= */
.dark {
    --background: #1e1e2f;
    --text-color: #f0f0f0;
    --primary-color: #1abc9c;
    --card-bg: #2b2b3d;
    --card-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    --border-color: #444;
    --hover-bg: #3a3a50;
    --muted-text: #bbb;
  }
  
  /* ======= GLOBAL DARK BACKGROUND AND TEXT ======= */
  .dark body {
    background-color: var(--background);
    color: var(--text-color);
    transition: background-color 0.3s ease, color 0.3s ease;
  }
  
  /* ======= SIDEBAR ======= */
  .dark .sidebar {
    background-color: #181825;
    color: var(--text-color);
    border-right: 1px solid var(--border-color);
  }
  .dark .sidebar-menu a:hover,
  .dark .sidebar-menu a.active {
    background-color: var(--hover-bg);
    color: var(--primary-color);
    transition: background-color 0.3s, color 0.3s;
  }
  
  /* ======= TOP NAVBAR ======= */
  .dark .top-navbar {
    background-color: var(--card-bg);
    box-shadow: none;
    border-bottom: 1px solid var(--border-color);
  }
  
  /* ======= CARDS ======= */
  .dark .card {
    background-color: var(--card-bg);
    color: var(--text-color);
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
    transition: background-color 0.3s, color 0.3s;
  }
  .dark .card-info h3 {
    color: var(--muted-text);
  }
  
  /* ======= CHARTS / GRAPHS ======= */
  .dark .chart-box {
    background-color: var(--card-bg);
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
  }
  
  /* ======= TABLES ======= */
  .dark .data-table {
    background-color: var(--card-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
  }
  .dark .data-table th {
    background-color: #3b3b4f;
    color: #fff;
  }
  .dark .data-table tr:nth-child(even) {
    background-color: #2a2a3c;
  }
  .dark .data-table tr:hover {
    background-color: var(--hover-bg);
  }
  
  /* ======= DROPDOWN MENU ======= */
  .dark .dropdown-menu {
    background-color: #2c2c3a;
    border: 1px solid var(--border-color);
  }
  .dark .dropdown-menu a {
    color: var(--text-color);
  }
  .dark .dropdown-menu a:hover {
    background-color: #3a3a4a;
    color: var(--primary-color);
  }
  
  /* ======= BUTTONS ======= */
  .dark button,
  .dark .btn {
    background-color: var(--primary-color);
    color: #fff;
    border: none;
  }
  .dark button:hover,
  .dark .btn:hover {
    background-color: #16a085;
  }
  
  /* ======= INPUT FIELDS (Optional) ======= */
  .dark input,
  .dark textarea,
  .dark select {
    background-color: #252536;
    color: var(--text-color);
    border: 1px solid var(--border-color);
  }
  
  /* ======= TOGGLE ICON ======= */
  .dark #themeToggle {
    color: var(--primary-color);
  }
    
  
  /* ========== RESPONSIVE ========== */

/* ✅ Medium Devices (Tablets: 1024px and below) */
@media (max-width: 1024px) {
    .charts {
      grid-template-columns: 1fr;
    }
  
    .main-content {
      padding: 20px;
      width: 100%;
    }
  
    .dashboard-cards {
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
  
    .top-navbar {
      flex-direction: column;
      align-items: flex-start;
      gap: 15px;
    }
  
    .nav-icons {
      align-self: flex-end;
    }
  }
  
  /* ✅ Small Devices (Tablets & Large Phones: 768px and below) */
  @media (max-width: 768px) {
    .sidebar {
      display: none;
    }
  
    .main-content {
      margin-left: 0;
      width: 100%;
      padding: 16px;
    }
  
    .dashboard-cards {
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    }
  
    .top-navbar {
      padding: 10px 15px;
    }
  
    .chart-box,
    .data-table,
    .card {
      padding: 16px;
    }
  
    #themeToggle {
      margin: 0;
    }
  
    .search-box {
      width: 100%;
    }
  
    .search-box input {
      width: 100%;
    }
  }
  
  /* ✅ Extra Small Devices (Phones: 480px and below) */
  @media (max-width: 480px) {
    .dashboard-cards {
      grid-template-columns: 1fr;
    }
  
    .charts {
      grid-template-columns: 1fr;
    }
  
    .nav-icons {
      gap: 12px;
    }
  
    .top-navbar {
      flex-direction: column;
      align-items: stretch;
      gap: 12px;
    }
  
    .search-box {
      display: none;
    }
  
    .card {
      flex-direction: column;
      align-items: flex-start;
      padding: 14px;
    }
  
    .card-icon {
      margin-bottom: 8px;
    }
  
    .chart-box,
    .data-table {
      padding: 14px;
    }
  
    #themeToggle {
      font-size: 1.2rem;
      padding: 8px;
      margin-left: auto;
    }
  
    .profile-img {
      width: 32px;
      height: 32px;
    }
  
    .dropdown-menu a {
      padding: 10px 15px;
    }
  }