* {
    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%);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.login-container {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    width: 100%;
    max-width: 600px;
    animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 25px;
    text-align: center;
    color: white;
}

.logo {
    width: 80px;
    height: 80px;
    background: white;
    border-radius: 50%;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.login-header h1 {
    font-size: 28px;
    margin-bottom: 5px;
    font-weight: 600;
}

.login-header p {
    font-size: 14px;
    opacity: 0.9;
}

.login-body {
    padding: 15px 25px;
}

.form-group {
    margin-bottom: 20px;
}

    .form-group label {
        display: block;
        margin-bottom: 8px;
        color: #333;
        font-weight: 500;
        font-size: 14px;
    }

.input-wrapper {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #667eea;
    font-size: 18px;
}

.form-group input {
    width: 100%;
    padding: 14px 15px 14px 45px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 15px;
    transition: all 0.3s ease;
    outline: none;
}

    .form-group input:focus {
        border-color: #667eea;
        box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    }

    .form-group input::placeholder {
        color: #aaa;
    }

.forgot-password {
    text-align: right;
    margin-bottom: 20px;
}

    .forgot-password a {
        color: #667eea;
        text-decoration: none;
        font-size: 14px;
        font-weight: 500;
        transition: color 0.3s ease;
    }

        .forgot-password a:hover {
            color: #764ba2;
        }

.login-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

    .login-btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
    }

    .login-btn:active {
        transform: translateY(0);
    }

.divider {
    text-align: center;
    margin: 25px 0;
    position: relative;
}

    .divider::before {
        content: '';
        position: absolute;
        left: 0;
        top: 50%;
        width: 100%;
        height: 1px;
        background: #e0e0e0;
    }

    .divider span {
        background: white;
        padding: 0 15px;
        color: #888;
        font-size: 14px;
        position: relative;
        z-index: 1;
    }

.signup-link {
    text-align: center;
    color: #666;
    font-size: 14px;
}

    .signup-link a {
        color: #667eea;
        text-decoration: none;
        font-weight: 600;
        transition: color 0.3s ease;
    }

        .signup-link a:hover {
            color: #764ba2;
        }

.error-message {
    background: #fee;
    color: #c53030;
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    border: 1px solid #fed7d7;
    text-align: center;
}

@media (max-width: 480px) {
    .login-container {
        border-radius: 15px;
    }

    .login-header {
        padding: 30px 20px;
    }

    .login-body {
        padding: 30px 20px;
    }

    .login-header h1 {
        font-size: 24px;
    }
}