/* style.css - BOSS.ID.VN New System */
/* Basic Reset & Body */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
header {
    background: rgba(255, 255, 255, 0.95);
    padding: 1rem 2rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

header h1 {
    color: #333;
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

nav {
    margin-top: 0.5rem;
}

nav a {
    color: #667eea;
    text-decoration: none;
    margin-right: 1rem;
    font-weight: 500;
    transition: color 0.3s;
}

nav a:hover {
    color: #764ba2;
    text-decoration: underline;
}

hr {
    border: none;
    border-top: 1px solid #ddd;
    margin: 1rem 0;
}

/* Main Content */
main {
    flex: 1;
    max-width: 800px;
    width: 90%;
    margin: 2rem auto;
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

/* Footer */
footer {
    background: rgba(255, 255, 255, 0.95);
    padding: 1rem;
    text-align: center;
    color: #666;
    font-size: 0.9rem;
}

/* Login Container */
.login-container {
    max-width: 400px;
    margin: 0 auto;
}

.login-form,
.google-login {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    border: 1px solid #e9ecef;
}

.login-form h3,
.google-login h3 {
    color: #333;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

/* Form Group */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #555;
    font-weight: 500;
}

.form-group input[type="text"],
.form-group input[type="password"] {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 2px rgba(102,126,234,0.3);
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background: #667eea;
    color: white;
}

.btn-primary:hover {
    background: #5a6fd8;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102,126,234,0.3);
}

.btn-google {
    background: white;
    color: #555;
    border: 1px solid #ddd;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-google:hover {
    background: #f8f9fa;
    transform: translateY(-1px);
}

.btn-google img {
    width: 20px;
    height: 20px;
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 1rem;
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

/* Domain Info */
.domain-info {
    background: #e7f3ff;
    padding: 1rem;
    border-radius: 8px;
    margin: 1.5rem 0;
    border-left: 4px solid #667eea;
}

.domain-info h3 {
    color: #333;
    margin-bottom: 0.5rem;
}

.domain-info ul {
    list-style: none;
    padding-left: 0;
}

.domain-info li {
    padding: 0.3rem 0;
    color: #555;
}

/* Headings */
h2 {
    color: #333;
    margin-bottom: 1rem;
}

p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1rem;
}

strong {
    color: #333;
}

/* Links */
a {
    color: #667eea;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    main {
        width: 95%;
        padding: 1rem;
    }
    
    header {
        padding: 1rem;
    }
    
    .login-container {
        max-width: 100%;
    }
}