:root {
    --primary: #009fe3;
    --primary-light: #33b5e9;
    --primary-dark: #007fb3;
    --secondary: #E6007E;
    --secondary-light: #ff1a94;
    --secondary-dark: #b30061;
}

/* Light theme variables */
:root[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --text-primary: #2c3e50;
    --text-secondary: #6c757d;
    --border-color: #edf2f7;
    --card-bg: #ffffff;
    --input-bg: #ffffff;
    --input-border: #e2e8f0;
    --navbar-bg: #ffffff;
    --navbar-text: #2c3e50;
    --link-color: var(--primary);
    --link-hover: var(--primary-dark);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.05);
}

/* Dark theme variables */
:root[data-theme="dark"] {
    --bg-primary: #1a1a1a;
    --bg-secondary: #242424;
    --text-primary: #f7fafc;
    --text-secondary: #a0aec0;
    --border-color: #2d3748;
    --card-bg: #242424;
    --input-bg: #2d3748;
    --input-border: #4a5568;
    --navbar-bg: #242424;
    --navbar-text: #f7fafc;
    --link-color: var(--primary-light);
    --link-hover: var(--primary);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.3);
}

/* Apply theme colors */
body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.navbar {
    background-color: var(--navbar-bg);
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.navbar-nav .nav-link {
    color: var(--navbar-text) !important;
}

.navbar-nav .nav-link:hover {
    color: var(--primary) !important;
}

.btn-primary {
    background-color: var(--primary);
    border-color: var(--primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
}

.btn-secondary {
    background-color: var(--secondary);
    border-color: var(--secondary);
    color: white;
}

.btn-secondary:hover {
    background-color: var(--secondary-dark);
    border-color: var(--secondary-dark);
}

.btn-outline-primary {
    color: var(--primary);
    border-color: var(--primary);
}

.btn-outline-primary:hover {
    background-color: var(--primary);
    border-color: var(--primary);
    color: white;
}

.btn-link {
    color: var(--link-color);
}

.btn-link:hover {
    color: var(--link-hover);
}

.card {
    background-color: var(--card-bg);
    border-color: var(--border-color);
    box-shadow: var(--shadow-sm);
}

.form-control {
    background-color: var(--input-bg);
    border-color: var(--input-border);
    color: var(--text-primary);
}

.form-control:focus {
    background-color: var(--input-bg);
    color: var(--text-primary);
    border-color: var(--primary);
    box-shadow: 0 0 0 0.2rem rgba(0, 159, 227, 0.25);
}

.table {
    color: var(--text-primary);
}

.table thead th {
    border-bottom-color: var(--border-color);
}

.table td, .table th {
    border-top-color: var(--border-color);
}

.modal-content {
    background-color: var(--card-bg);
    color: var(--text-primary);
}

.modal-header, .modal-footer {
    border-color: var(--border-color);
}

.dropdown-menu {
    background-color: var(--card-bg);
    border-color: var(--border-color);
}

.dropdown-item {
    color: var(--text-primary);
}

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

/* Theme toggle button styles */
#themeToggle, #langToggle {
    width: 40px;
    height: 40px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

#themeToggle:hover, #langToggle:hover {
    background-color: var(--primary);
    color: white;
    transform: scale(1.1);
}

/* Badge styles */
.badge.bg-primary {
    background-color: var(--primary) !important;
}

.badge.bg-secondary {
    background-color: var(--secondary) !important;
}

/* Alert styles */
.alert-primary {
    background-color: rgba(0, 159, 227, 0.1);
    border-color: var(--primary);
    color: var(--primary);
}

.alert-secondary {
    background-color: rgba(230, 0, 126, 0.1);
    border-color: var(--secondary);
    color: var(--secondary);
}

/* Add gradient button styles */
.btn-gradient {
    background: linear-gradient(to right, var(--primary) 0%, var(--secondary) 100%);
    border: none;
    color: white;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.btn-gradient:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to right, var(--primary-dark) 0%, var(--secondary-dark) 100%);
    transition: opacity 0.3s ease;
    opacity: 0;
    z-index: -1;
    border-radius: inherit;
}

.btn-gradient:hover:before {
    opacity: 1;
}

.btn-gradient:hover {
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn-gradient:focus {
    color: white;
    box-shadow: 0 0 0 0.25rem rgba(0, 159, 227, 0.25);
}

.btn-gradient:active {
    transform: translateY(1px);
}