body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}
.login-container {
    width: 100%;
    max-width: 420px;
    padding: 15px;
}
.login-card {
    background: #ffffff;
    border-radius: 1rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}
.login-header {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    color: white;
    padding: 2rem;
    text-align: center;
}
.login-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0 0 0.5rem 0;
}
.login-header p {
    margin: 0;
    opacity: 0.9;
    font-size: 0.95rem;
}
.login-body {
    padding: 2rem;
}
.form-label {
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}
.form-control {
    border-radius: 0.5rem;
    border: 1px solid #d1d5db;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    transition: all 0.2s;
}
.form-control:focus {
    border-color: #4f46e5;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}
.input-group-text {
    background: #f9fafb;
    border: 1px solid #d1d5db;
    border-right: none;
    color: #6b7280;
}
.input-group .form-control {
    border-left: none;
}
.btn-login {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    border: none;
    border-radius: 0.5rem;
    padding: 0.75rem;
    font-weight: 600;
    font-size: 1rem;
    color: white;
    transition: all 0.3s;
    width: 100%;
}
.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(79, 70, 229, 0.3);
}
.alert {
    border-radius: 0.5rem;
    font-size: 0.9rem;
}
.divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 1.5rem 0;
}
.divider::before,
.divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid #e5e7eb;
}
.divider span {
    padding: 0 1rem;
    color: #6b7280;
    font-size: 0.85rem;
}
.link-text {
    color: #4f46e5;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
}
.link-text:hover {
    color: #7c3aed;
    text-decoration: underline;
}
.text-center a {
    font-size: 0.9rem;
}
.password-toggle {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: #6b7280;
    z-index: 10;
}
.password-toggle:hover {
    color: #4f46e5;
}