:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --success-color: #27ae60;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
}

* {
    font-family: 'Cairo', sans-serif;
}

body {
    background-color: #f5f7fa;
    color: #333;
    padding-top: 70px;
}

/* Navbar Styles */
.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--secondary-color) !important;
}

    .navbar-brand i {
        color: var(--accent-color);
        margin-left: 8px;
    }

.nav-link {
    font-weight: 600;
    padding: 8px 15px !important;
    margin: 0 2px;
    border-radius: 5px;
    transition: all 0.3s;
}

    .nav-link:hover {
        background-color: rgba(52, 152, 219, 0.1);
        color: var(--secondary-color) !important;
    }

    .nav-link.active {
        background-color: var(--secondary-color);
        color: white !important;
    }

.user-dropdown .dropdown-toggle {
    color: var(--primary-color);
    font-weight: 600;
}

.user-dropdown .dropdown-menu {
    border: none;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    border-radius: 10px;
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 200px);
    padding: 20px 0;
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: white;
    padding: 30px 0;
    margin-top: 50px;
}

    .footer h5 {
        color: var(--secondary-color);
        margin-bottom: 20px;
    }

.footer-links a {
    color: #ddd;
    text-decoration: none;
    display: block;
    margin-bottom: 8px;
    transition: color 0.3s;
}

    .footer-links a:hover {
        color: var(--secondary-color);
        padding-right: 5px;
    }

.social-icons a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    text-align: center;
    line-height: 40px;
    margin-left: 10px;
    color: white;
    transition: all 0.3s;
}

    .social-icons a:hover {
        background: var(--secondary-color);
        transform: translateY(-3px);
    }

.copyright {
    background-color: rgba(0,0,0,0.2);
    padding: 15px 0;
    margin-top: 30px;
    text-align: center;
}

/* Cards */
.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    margin-bottom: 20px;
    transition: transform 0.3s;
}

    .card:hover {
        transform: translateY(-5px);
    }

.card-header {
    background-color: var(--primary-color);
    color: white;
    border-radius: 15px 15px 0 0 !important;
    font-weight: 600;
}

.btn-primary {
    background-color: var(--secondary-color);
    border: none;
    padding: 10px 25px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s;
}

    .btn-primary:hover {
        background-color: #2980b9;
        transform: translateY(-2px);
        box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
    }

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

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

/* Responsive */
@media (max-width: 768px) {
    body {
        padding-top: 60px;
    }

    .navbar-nav {
        text-align: right;
        padding: 10px 0;
    }

    .nav-link {
        margin: 5px 0;
    }
}

/* Alert Messages */
.alert {
    border: none;
    border-radius: 10px;
    padding: 15px 20px;
    margin-bottom: 20px;
}

/* Forms */
.form-label {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.form-control {
    border: 2px solid #e1e5eb;
    border-radius: 8px;
    padding: 10px 15px;
    transition: all 0.3s;
}

    .form-control:focus {
        border-color: var(--secondary-color);
        box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
    }

/* Validation */
.text-danger {
    color: var(--accent-color) !important;
    font-size: 0.875rem;
    margin-top: 5px;
}