/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background: #f5f5f5;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.login-page {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    overflow: hidden;
}

.login-page .header {
    display: none;
}

.login-page .footer {
    display: none;
}

/* Custom navbar styles */
.navbar {
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-size: 1.5rem;
}

.nav-link {
    transition: all 0.3s ease;
    border-radius: 5px;
    margin: 0 2px;
}

.nav-link:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-1px);
}

/* Mobile hamburger button */
@media (max-width: 991.98px) {
    .navbar-brand {
        margin-left: 0;
    }
}

/* Fallback for hamburger menu */
.btn .fas.fa-bars:before {
    content: "\f0c9";
}

.btn .fas.fa-bars:empty:before {
    content: "☰";
    font-family: Arial, sans-serif;
    font-size: 16px;
}

.dropdown-menu {
    border: none;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    border-radius: 8px;
}

.dropdown-item {
    transition: all 0.3s ease;
}

.dropdown-item:hover {
    background: rgba(102, 126, 234, 0.1);
}

/* Offcanvas sidebar styles */
.offcanvas {
    width: 280px;
}

.list-group-item {
    border: none;
    border-bottom: 1px solid #eee;
}

.list-group-item a {
    color: #333;
    transition: all 0.3s ease;
}

.list-group-item:hover {
    background: rgba(102, 126, 234, 0.1);
}

.list-group-item a:hover {
    color: #667eea;
    transform: translateX(5px);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 20px auto;
    padding: 0 20px;
    flex: 1;
}

/* Login Styles */
.login-container {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.login-header {
    text-align: center;
    margin-bottom: 25px;
}

.login-logo {
    margin-bottom: 10px;
}

.logo-img {
    width: 150px;
    height: 60px;
    object-fit: contain;
}

.login-header h1 {
    color: #333;
    font-size: 2rem;
    margin-bottom: 0px;
    font-weight: bold;
    letter-spacing: 1px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.login-header p {
    color: #666;
    font-size: 0.75rem;
    font-weight: bold;
}

/* Form Styles */
.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    color: #333;
    font-weight: bold;
    font-size: 0.9rem;
}

input[type="text"], 
input[type="password"], 
select {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s;
}

input[type="text"]:focus, 
input[type="password"]:focus, 
select:focus {
    outline: none;
    border-color: #667eea;
}

.btn {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    transition: transform 0.2s;
}

.btn:hover {
    transform: translateY(-2px);
}

/* Alert Styles */
.error {
    background: #f8d7da;
    color: #721c24;
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 20px;
    text-align: center;
    font-size: 0.9rem;
}

/* Card Styles */
.welcome-card, .info-card {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

.welcome-card h2 {
    color: #333;
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.welcome-card p {
    color: #666;
    font-size: 0.95rem;
}

/* Grid Layout */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.info-card h3 {
    color: #333;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.info-card p {
    margin: 8px 0;
    color: #666;
    font-size: 0.9rem;
}

/* Footer */
.footer {
    background: #333;
    color: white;
    padding: 20px;
    margin-top: auto;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer p {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .header {
        padding: 15px;
    }
    
    .header-content {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .header h1 {
        font-size: 1.5rem;
    }
    
    .user-info {
        justify-content: center;
        width: 100%;
    }
    
    .user-name {
        font-size: 0.8rem;
    }
    
    .container {
        margin: 15px auto;
        padding: 0 15px;
    }
    
    .login-container {
        margin: 0 auto;
        padding: 30px 25px;
    }
    
    .login-header h1 {
        font-size: 1.6rem;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .welcome-card, .info-card {
        padding: 20px;
    }
    
    .welcome-card h2 {
        font-size: 1.3rem;
    }
    
    .info-card h3 {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 10px;
    }
    
    .header h1 {
        font-size: 1.3rem;
    }
    
    .container {
        padding: 0 10px;
    }
    
    .login-container {
        padding: 25px 20px;
    }
    
    .login-header {
        margin-bottom: 20px;
    }
    
    .form-group {
        margin-bottom: 12px;
    }
    
    .welcome-card, .info-card {
        padding: 15px;
    }
    
    input[type="text"], 
    input[type="password"], 
    select, 
    .btn {
        font-size: 14px;
        padding: 10px;
    }
}