/* style.css */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 450px;
}

.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.logo {
    text-align: center;
    margin-bottom: 30px;
}

.logo-icon {
    font-size: 48px;
    color: #6a11cb;
    margin-bottom: 15px;
}

.logo h1 {
    color: #333;
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo p {
    color: #666;
    font-size: 14px;
    margin-top: 5px;
}

.form-group {
    margin-bottom: 25px;
}

.input-with-icon {
    position: relative;
}

.input-with-icon i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #6a11cb;
    font-size: 18px;
}

input[type="text"],
input[type="password"] {
    width: 100%;
    padding: 15px 15px 15px 50px;
    border: 2px solid #e1e5eb;
    border-radius: 12px;
    font-size: 16px;
    transition: all 0.3s;
    background: #f8f9fa;
}

input:focus {
    outline: none;
    border-color: #6a11cb;
    background: white;
    box-shadow: 0 0 0 3px rgba(106, 17, 203, 0.1);
}

.btn-login {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(106, 17, 203, 0.3);
}

.error-message {
    background: #ffeaea;
    color: #d32f2f;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.demo-accounts {
    background: #e8f4ff;
    border-radius: 12px;
    padding: 20px;
    margin-top: 30px;
}

.demo-accounts h3 {
    color: #2575fc;
    margin-bottom: 15px;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.account-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
}

.account-item {
    background: white;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #e1e5eb;
    cursor: pointer;
    transition: all 0.3s;
}

.account-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.account-item strong {
    color: #333;
    display: block;
    margin-bottom: 5px;
}

.account-item span {
    color: #666;
    font-size: 14px;
    display: block;
}

@media (max-width: 480px) {
    .login-card {
        padding: 30px 20px;
    }
    
    .account-list {
        grid-template-columns: 1fr;
    }
}